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Your parents’ income doesn’t determine yours – unless you’re ultra rich or extremely poor

<div class="theconversation-article-body"><a href="https://theconversation.com/profiles/catherine-de-fontenay-5631">Catherine de Fontenay</a>, <a href="https://theconversation.com/institutions/the-university-of-melbourne-722">The University of Melbourne</a> Australia is among the strongest global performers in terms of income mobility between the generations, according to a new <a href="https://www.pc.gov.au/research/completed/fairly-equal-mobility">Productivity Commission report</a>. The country’s long-term economic growth has led to each generation earning more than the last, on average. Our report finds 67% of the so-called <a href="https://www.businessinsider.com/xennials-born-between-millennials-and-gen-x-2017-11">“Xennial”</a> generation – those born in 1976–1982, on the cusp of the Millennial/Gen X divide – earn more than their parents did at a similar age. This is particularly true of those born into poorer families. <hr /> <iframe id="NsmB3" class="tc-infographic-datawrapper" style="border: 0;" src="https://datawrapper.dwcdn.net/NsmB3/" width="100%" height="400px" frameborder="0" scrolling="no"></iframe> <hr /> When we look at where people rank in an income distribution, the picture is a little less rosy. While children with parents at the bottom or top of the income scale are more likely to remain there, almost 15% of people with parents in the lowest income decile, remain there while just 6% move to the top. And those living in poverty - who often include renters, people from migrant backgrounds who don’t speak English at home and single parents - face some of the biggest barriers to improving their economic lot. <a href="https://www.pc.gov.au/research/completed/fairly-equal-mobility">Fairly Equal? Economic mobility in Australia</a>, released on Thursday, measures intergenerational income mobility by examining the relationship between a person’s income and the eventual income of their children. <h2>Measuring inequality</h2> Most countries anxiously monitor income distribution and economic mobility amid concerns inequality may be increasing. And countries with high inequality tend to have low mobility: the rungs of the social ladder are far apart making it difficult to move up to the next level. If mobility is low, the consequences are serious. Low mobility is discouraging, unproductive and unstable. If young people have little chance of achieving their aspirations, their wellbeing is affected. <a href="https://ideas.repec.org/p/cor/louvco/2023026.html">Social unrest is more likely</a>. And the abilities of young people from less affluent backgrounds are under-used. The next tech entrepreneur Steve Jobs may never be discovered, and many other opportunities are lost. In Australia we are used to thinking of ourselves as having inequality and mobility somewhere between Scandinavia and the US; but that comparison is not as comforting as it used to be, if inequality and mobility are worsening in the US. Our report considers people’s income mobility over the course of their lives, and across generations. If income mobility is low, people will struggle to recover from initial disadvantage, and those born into privilege will be financially secure. First we look at whether people move in the income distribution; there is a surprising amount of movement. And we look for evidence people can access opportunities throughout life, after setbacks. <h2>Recovering from setbacks</h2> There is not much evidence of recovery after a person experiences a severe illness or a job loss, perhaps because the causal factors are still at work. More encouragingly, the income of women who experience separation <a href="https://melbourneinstitute.unimelb.edu.au/__data/assets/pdf_file/0020/4815110/HILDA-User-Manual-Release-22.0.pdf">does increase</a>, eventually restoring the buying power of their household. This is in part due to well-targeted government support. For intergenerational mobility, we extended the dataset developed by <a href="https://www.aeaweb.org/articles?id=10.1257/jel.20211413">an analytical dataset</a> to measure the influence parents’ income had on the income their offspring were likely to earn. We found Australia’s intergenerational mobility is actually higher than the <a href="https://onlinelibrary.wiley.com/doi/10.1111/sjoe.12197">Scandinavian</a> countries, and second only to <a href="https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3662560">Switzerland</a> among comparable studies. <hr /> <iframe id="5DFB9" class="tc-infographic-datawrapper" style="border: 0;" src="https://datawrapper.dwcdn.net/5DFB9/" width="100%" height="400px" frameborder="0" scrolling="no"></iframe> <hr /> In all countries studied there was some link between parents’ income mobility and that of children, because parents pass on tastes, ambitions and abilities. And there was greater correlation between the incomes of mothers and daughters, and fathers and sons than with parents of the opposite gender, perhaps because of role model effects. <hr /> <iframe id="BJ4hD" class="tc-infographic-datawrapper" style="border: 0;" src="https://datawrapper.dwcdn.net/BJ4hD/" width="100%" height="400px" frameborder="0" scrolling="no"></iframe> <hr /> While Australia’s strong income mobility between generations is remarkable, it’s concerning there is less mobility among those at the very bottom and top of the income distribution scale. The fact children born into the poorest families were more likely to remain in the lowest deciles, while those born into the top earning families tended to remain in the top deciles, suggests privilege is often passed on. People who grew up in frequently poor households were <a href="https://melbourneinstitute.unimelb.edu.au/__data/assets/pdf_file/0009/3537441/HILDA-Statistical-report-2020.pdf">three time more likely</a> to be poor at age 26 to 32 than those who never experienced poverty. <hr /> <iframe id="SxHBo" class="tc-infographic-datawrapper" style="border: 0;" src="https://datawrapper.dwcdn.net/SxHBo/" width="100%" height="400px" frameborder="0" scrolling="no"></iframe> <hr /> And consistent with <a href="https://www.aihw.gov.au/getmedia/37c2c8b7-328c-41e1-bace-87ed7a551777/australias-welfare-chapter-2-summary-18sept2019.pdf.aspx">other studies</a> we found children whose family received government payments were twice as likely to receive support as adults, compared with those whose families received no help. <h2>Movement in the middle</h2> Taken together, these results suggest some segmentation of opportunities. In the middle of the income distribution, there are opportunities to get ahead, and individuals’ careers are not restricted by their families’ circumstances. At the bottom, things are a lot more “sticky”, and finding opportunities to permanently escape poverty is more difficult. Some of this boils down where people live, peers, school quality and local job options. Researchers <a href="https://www.aeaweb.org/articles?id=10.1257/jel.20211413">Deutscher and Mazumder</a> (2023) have shown regional economic conditions have a big impact on mobility, and we show remoteness limits movement out of poverty. Overall, the mobility picture is extremely good news for most Australians. But this should not blind us how difficult it is to move out of poverty, especially for those in remote areas. Identifying where mobility fails to deliver allows us to focus our policy response.<img style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important;" src="https://counter.theconversation.com/content/234158/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /> <a href="https://theconversation.com/profiles/catherine-de-fontenay-5631">Catherine de Fontenay</a>, Honorary Fellow, Department of Economics, <a href="https://theconversation.com/institutions/the-university-of-melbourne-722">The University of Melbourne</a> Image credits: Shutterstock This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/your-parents-income-doesnt-determine-yours-unless-youre-ultra-rich-or-extremely-poor-234158">original article</a>. </div>

Money & Banking

How extreme dieting can affect bone health

<div class="theconversation-article-body"><a href="https://theconversation.com/profiles/adam-taylor-283950">Adam Taylor</a>, <a href="https://theconversation.com/institutions/lancaster-university-1176">Lancaster University</a> In a recent Instagram post, the actor Jameela Jamil revealed she has poor bone density, despite only being in her 30s. Jamil blamed this finding on 20 years of dieting – urging her followers to be aware of the harms diet culture can do to your health. Bone density is important for many reasons, primarily because it acts as a reservoir for many of the important minerals our bones need to function well. Many factors can affect your bone density – and as Jamil has pointed out, diet is one component that has a significant effect on bone health. Bone is a living tissue. This means our skeleton <a href="https://www.sciencedirect.com/science/article/abs/pii/S1521690X08000869">grows and remodels itself</a> according to the stresses and strains it’s put under. Everything from fractures to exercise require our bones to change their shape or density. This is why a weightlifter’s skeleton is <a href="https://link.springer.com/article/10.1007/BF00298721">much denser</a> than a marathon runner’s. The biggest skeletal changes we experience happen in our younger years. But bones keep changing throughout our lives depending on how active we are, what our diet consists of, and if we’ve suffered an injury or disease. Bones are <a href="https://www.niams.nih.gov/health-topics/what-bone">made of proteins</a>, such as collagen, as well as minerals – largely calcium. This is a <a href="https://www.ncbi.nlm.nih.gov/books/NBK430714/">key mineral</a> for us, as it keeps our bones and teeth strong and helps repair and rebuild any injured bones. But other minerals and vitamins are also important. For example, vitamin D supports calcium, playing a key role in <a href="https://jamanetwork.com/journals/jamapediatrics/fullarticle/2761808">bone mineralisation</a>. This is where calcium <a href="https://www.ncbi.nlm.nih.gov/books/NBK279023/">combines with phosphate</a> in our bones to create the mineral crystal <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7264100/">hydroxyapatite</a>. This crystal is crucial to our bone mineral density (also known as “bone mass”), as it helps bones remodel and maintain their structural strength. <a href="https://www.nhs.uk/conditions/dexa-scan/">Dexa scans</a> – the type of scan Jamil referred to in her post – can measure the density of these crystals in bones. The <a href="https://theros.org.uk/information-and-support/osteoporosis/scans-tests-and-results/bone-density-scan-dxa/">more hydroxyapatite crystals</a> detected, the healthier the bones are. <figure class="align-center "><img src="https://images.theconversation.com/files/591182/original/file-20240430-18-u30byz.jpg?ixlib=rb-4.1.0&q=45&auto=format&w=754&fit=clip" sizes="(min-width: 1466px) 754px, (max-width: 599px) 100vw, (min-width: 600px) 600px, 237px" srcset="https://images.theconversation.com/files/591182/original/file-20240430-18-u30byz.jpg?ixlib=rb-4.1.0&q=45&auto=format&w=600&h=338&fit=crop&dpr=1 600w, https://images.theconversation.com/files/591182/original/file-20240430-18-u30byz.jpg?ixlib=rb-4.1.0&q=30&auto=format&w=600&h=338&fit=crop&dpr=2 1200w, https://images.theconversation.com/files/591182/original/file-20240430-18-u30byz.jpg?ixlib=rb-4.1.0&q=15&auto=format&w=600&h=338&fit=crop&dpr=3 1800w, https://images.theconversation.com/files/591182/original/file-20240430-18-u30byz.jpg?ixlib=rb-4.1.0&q=45&auto=format&w=754&h=424&fit=crop&dpr=1 754w, https://images.theconversation.com/files/591182/original/file-20240430-18-u30byz.jpg?ixlib=rb-4.1.0&q=30&auto=format&w=754&h=424&fit=crop&dpr=2 1508w, https://images.theconversation.com/files/591182/original/file-20240430-18-u30byz.jpg?ixlib=rb-4.1.0&q=15&auto=format&w=754&h=424&fit=crop&dpr=3 2262w" alt="The interior of bones, showing four depictions of bone density – from healthy to severe osteoporosis." /><figcaption>The more crystals detected, the better your bone density. <a class="source" href="https://www.shutterstock.com/image-illustration/osteoporosis-4-stages-one-picture-3d-524364046">Crevis/ Shutterstock</a></figcaption></figure> We hit peak bone mineral density in our <a href="https://pubmed.ncbi.nlm.nih.gov/35869910/">late teens and early 20s</a>, when our body has grown to full size and our metabolism is working its best. From here, it’s possible to maintain <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5684300/">stable bone mass</a> into your late 30s for women and early 40s for men, with the right diet and activity. But after this point, it begins to decline. <h2>Bone density</h2> We accrue calcium over many years. It initially comes from our mother, then later from our diet. Our body accrues calcium so it can adapt to times when calcium demand is greater than what we can get from our diet – such as during pregnancy, when the foetus needs calcium to <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3355895/">build its own bones</a>. However, relying solely on this skeletal calcium reserve can’t be sustained for lengthy or repeated periods, because of how long it takes to be replenished. This is why diet is so important for bone density – and why a poor diet can cause extreme damage, especially when certain food groups or minerals are consistently left out. For instance, studies have shown consuming soft drinks, (<a href="https://pubmed.ncbi.nlm.nih.gov/17023723/">particularly cola</a>), more than four times a week is linked with <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7071508/">lower bone density</a> and increased fracture risk. This is true even after adjusting for many other variables that affect bone density. These carbonated and energy drinks contain <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2966367/">varying levels of vitamins</a> – often with none of the minerals, including calcium, that the body needs to function optimally. This causes the body to draw on its reserves if calcium isn’t being delivered elsewhere in the diet. Diets high in added sugar can also have a detrimental affect on the skeleton. Excess sugar causes inflammation and other physiological changes, such as <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9471313/">obesity</a>. Consuming high amounts of sugar is linked with <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2748414/">reduced calcium intake</a>, especially in children who substitute milk for sugary drinks. Excess sugar consumption also causes the body to <a href="https://jps.biomedcentral.com/articles/10.1007/s12576-016-0487-7">excrete excess calcium</a>, instead of reabsorbing it in the kidney as the body normally would. <a href="https://pubmed.ncbi.nlm.nih.gov/25491765/">Low- and high-fat diets</a> have also been associated with increased risk of <a href="https://www.nhs.uk/conditions/osteoporosis/">osteoporosis</a> (a condition that weakens bones) in women – though larger studies are needed to better understand the effects of removing whole food groups on bone health. <a href="https://www.nhs.uk/mental-health/conditions/anorexia/overview/">Anorexia nervosa</a> also has a significant affect on <a href="https://pubmed.ncbi.nlm.nih.gov/30817009">bone density</a> – affecting a <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6959847/">majority of people</a> with the condition. Low bone mineral density – especially in the spine – puts people with anorexia at <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6959847/">increased risk of fractures</a> because their bone thickness is reduced, increasing the likelihood of developing osteoporosis, which is associated with increased fractures. Anorexia in young adulthood is particularly challenging. This is the stage where the skeleton is building itself to reach peak <a href="https://pubmed.ncbi.nlm.nih.gov/15574617/">bone mass</a>, so it’s depositing calcium at a record pace. When diet is insufficient and the body already starts drawing on its mineral reserves, there’s a potential that the bone density or calcium reserves in the body will never be optimal – increasing fracture risk for the <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6746661/">rest of that person’s life</a>. <h2>Can bone health be fixed?</h2> Optimal bone health starts in utero, but our prepubescent years are key to <a href="https://pubmed.ncbi.nlm.nih.gov/26884506/">setting our skeleton up</a> for later life. People who are behind the curve in early life may have difficulty achieving their peak, as poor bone mineral density can affect everything from our appetite to how efficient our gastrointestinal tract is at absorbing <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6971894/">important nutrients</a> (including calcium). Supplements have a limited effect because our body can only absorb a set amount of any <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8746734/">vitamin or mineral at a time</a>. While it’s possible to <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5684300/">limit some of the decline</a> in bone density that naturally happens as we age, some of the choices we make – such as not consuming enough calcium – can accelerate the decline. Biological sex also has a significant impact on our bone health in old age – with post-menopausal women at greater risk of osteoporosis because they <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5643776/">produce less oestrogen</a>, which helps keep the cells that <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3424385">degrade bone</a> in check.<img style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important;" src="https://counter.theconversation.com/content/228321/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /> <a href="https://theconversation.com/profiles/adam-taylor-283950">Adam Taylor</a>, Professor and Director of the Clinical Anatomy Learning Centre, <a href="https://theconversation.com/institutions/lancaster-university-1176">Lancaster University</a> Image credits: Getty Images This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/how-extreme-dieting-can-affect-bone-health-228321">original article</a>. </div>

Body

It’s extremely hot and I’m feeling weak and dizzy. Could I have heat stroke?

<a href="https://theconversation.com/profiles/lily-hospers-1060107">Lily Hospers</a>, <a href="https://theconversation.com/institutions/university-of-sydney-841">University of Sydney</a>; <a href="https://theconversation.com/profiles/james-smallcombe-1412548">James Smallcombe</a>, <a href="https://theconversation.com/institutions/university-of-sydney-841">University of Sydney</a>, and <a href="https://theconversation.com/profiles/ollie-jay-114164">Ollie Jay</a>, <a href="https://theconversation.com/institutions/university-of-sydney-841">University of Sydney</a> Australia is braced for a hot, dry summer. El Nino is back, and this year it will occur alongside an <a href="https://www.abc.net.au/news/2023-08-22/positive-indian-ocean-dipole-to-coincide-with-el-nino/102756378">Indian Ocean dipole</a>, a climate pattern which will further amplify this hot and dry effect. Hot weather can place great stress on our bodies. When the environmental conditions exceed the limit at which we can adequately cope, we can suffer from heat-related illnesses. Heat illnesses can vary, from relatively mild heat exhaustion to the potentially life-threatening condition of heat stroke. <h2>What are the signs and symptoms?</h2> If you’re suffering from heat exhaustion, you may feel weakness, nausea, headaches or dizziness. Mild <a href="https://www.health.nsw.gov.au/environment/beattheheat/Pages/heat-related-illness.aspx">symptoms of heat exhaustion</a> can often be treated at home by reducing your levels of physical activity, finding shade, removing excess clothing, hydrating with water and perhaps even taking a cool shower. If left unchecked, heat exhaustion can progress to the far more serious condition of heat stroke, where your core temperature climbs upwards of 40°C. <a href="https://www.health.nsw.gov.au/environment/beattheheat/Pages/heat-related-illness.aspx">Symptoms</a> can develop rapidly and may include confusion, disorientation, agitation, convulsions, or it could even result in a coma. Heat stroke is a medical emergency and requires urgent treatment. Call an ambulance and start rapid, aggressive cooling by immersing the person in cold water (such as a cold bath). If this isn’t possible, apply ice packs to their neck, armpits and groin and cover the skin with lots of cool water. When it comes to cooling someone with suspected heat stroke, the quicker the better: cool first, transport second. <h2>Why do we overheat?</h2> Environmental conditions play an important role in determining our heat stress risk. If the air temperature, humidity and levels of sun exposure are high, we are much more likely to dangerously overheat. When the body gets hot, the heart pumps more warm blood to our skin to help lose heat. As air temperature rises, this way of shedding heat becomes ineffective. When air temperature is higher than the temperature of the skin (normally around 35°C), we start gaining heat from our surroundings. Sweating is by far our most effective physiological means of keeping cool. However, it is the evaporation of sweat from our skin that provides cooling relief. When the air is humid, it already contains a lot of moisture, and this reduces how efficiently sweat evaporates. Our physical activity levels and clothing also impact heat stress risk. When we move, our bodies generate metabolic heat as a by-product. The more intense physical activity is, the more heat we must lose to avoid dangerous rises in core temperature. Finally, clothing can act as an insulator and barrier for the evaporation of sweat, making it even more difficult for us to keep cool. <h2>Who is most vulnerable in the heat?</h2> Some people <a href="https://www.health.nsw.gov.au/environment/beattheheat/Pages/people-most-at-risk.aspx">are at greater risk</a> of developing heat illness than others. This can result from physiological limitations, such as a decreased capacity to sweat, or a reduced capacity to adapt our behaviour. When these two risk factors coincide, it’s a perfect storm of vulnerability. Take, for example, an elderly outdoor agricultural worker. Being aged over 60, their physiological capacity to sweat is reduced. The worker may also be wearing heavy safety clothing, which may further limit heat loss from the body. If they don’t slow down, seek shelter and adequately hydrate, they become even more vulnerable. When a person dies of heat stroke – which is relatively easy to diagnose – heat will be listed as a cause of death on a death certificate. Between 2001 and 2018 in Australia, 473 heat-related deaths were <a href="https://www.sciencedirect.com/science/article/pii/S2212420921006324">officially reported</a>. However, the true association between heat and death is thought to be far greater, with an <a href="https://www.thelancet.com/journals/lanplh/article/PIIS2542-5196(20)30100-5/fulltext">estimated 36,000 deaths</a> in Australia between 2006 and 2017. This is because most people who die during extreme heat events do not die from heat stroke. Instead, they they die of <a href="https://www.nejm.org/doi/full/10.1056/nejm199607113350203">other medical complications</a> such as cardiovascular or renal collapse, as additional strain is placed on essential organs such as the heart and kidneys. People with underlying health conditions are more likely to succumb to heat-associated complications before they develop critical core temperature (over 40°C) and heat stroke. In such cases, while the additional physiological strain imposed by the heat probably “caused” the death, the official “cause of death” is often listed as something else, such as a heart attack. This can make understanding the true health burden of extreme heat more difficult. <h2>How to stay safe in the heat</h2> Thankfully, there are effective, low-cost <a href="https://twitter.com/TheLancet/status/1677702906789740545">ways</a> of staying safe in the heat. These include: <img style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important;" src="https://counter.theconversation.com/content/215084/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /> <ul> <li>staying adequately hydrated</li> <li>getting out of the heat to a cooler area indoors or shaded area outdoors</li> <li>loosening or removing clothing</li> <li>cooling down any way you can: <ul> <li>using an electric fan (which can be used at 37°C and below, irrespective of age and humidity)</li> <li>using a cold-water spray</li> <li>applying a cool, damp sponge or cloth</li> <li>wetting clothes and skin</li> <li>having a cool shower or bath</li> <li>applying ice packs or crushed ice in a damp towel on the neck, groin and armpits.</li> </ul> </li> </ul> <a href="https://theconversation.com/profiles/lily-hospers-1060107">Lily Hospers</a>, PhD Candidate, <a href="https://theconversation.com/institutions/university-of-sydney-841">University of Sydney</a>; <a href="https://theconversation.com/profiles/james-smallcombe-1412548">James Smallcombe</a>, Post-doctoral Research Associate, <a href="https://theconversation.com/institutions/university-of-sydney-841">University of Sydney</a>, and <a href="https://theconversation.com/profiles/ollie-jay-114164">Ollie Jay</a>, Professor of Heat & Health; Director of Heat & Health Research Incubator; Director of Thermal Ergonomics Laboratory, <a href="https://theconversation.com/institutions/university-of-sydney-841">University of Sydney</a> Image credits: Getty Images This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/its-extremely-hot-and-im-feeling-weak-and-dizzy-could-i-have-heat-stroke-215084">original ar</a><a href="https://theconversation.com/its-extremely-hot-and-im-feeling-weak-and-dizzy-could-i-have-heat-stroke-215084">ticle</a>.

Body

Extreme weather is landing more Australians in hospital – and heat is the biggest culprit

<a href="https://theconversation.com/profiles/amy-peden-1136424">Amy Peden</a>, <a href="https://theconversation.com/institutions/unsw-sydney-1414">UNSW Sydney</a> Hospital admissions for injuries directly attributable to extreme weather events – such as heatwaves, bushfires and storms – have increased in Australia over the past decade. A new <a href="https://www.aihw.gov.au/reports/injury/extreme-weather-injuries/contents/about">report</a> from the Australian Institute of Health and Welfare (AIHW) shows 9,119 Australians were hospitalised for injuries from extreme weather from 2012-22 and 677 people died from these injuries in the decade up to 2021. In 2021-22, there were 754 injury hospitalisations directly related to extreme weather, compared to 576 in 2011-12. Extreme heat is responsible for most weather-related injuries. Exposure to prolonged natural heat can result in physical conditions ranging from mild heat stroke, to organ damage and <a href="https://www.dea.org.au/wp-content/uploads/2021/01/DEA-Fact-Sheet_HeatwavesWEB.pdf">death</a>. As Australia heads into summer with an El Niño, it’s important understand and prepare for the health risks associated with extreme weather. <h2>A spike every three years</h2> Extreme weather-related hospitalisations have spiked at more than 1,000 cases every three years, with the spikes becoming progressively higher. There were: <ul> <li>1,027 injury hospitalisations in 2013–14</li> <li>1,033 in 2016–17</li> <li>1,108 in 2019–20.</li> </ul> <iframe id="vLaas" class="tc-infographic-datawrapper" style="border: none;" src="https://datawrapper.dwcdn.net/vLaas/1/" width="100%" height="400px" frameborder="0"></iframe> In each of these three years, extreme heat had the biggest impact on hospital admissions and deaths. <iframe id="P03sm" class="tc-infographic-datawrapper" style="border: none;" src="https://datawrapper.dwcdn.net/P03sm/1/" width="100%" height="400px" frameborder="0"></iframe> Extreme heat accounted for 7,104 injury hospitalisations (78% of all injury hospitalisations) and 293 deaths (43% of all injury deaths) in the ten year period analysed. In 2011-12, there were 354 injury hospitalisations directly related to extreme heat. This rose to 579 by 2021-22. <h2>El Niño and La Niña</h2> Over the past three decades, extreme weather events have increased in <a href="https://www.ipcc.ch/report/ar5/syr/">frequency</a> and <a href="http://www.bom.gov.au/state-of-the-climate/">severity</a>. In Australia, El Niño drives a period of reduced rainfall, warmer temperatures and increased bushfire danger. La Niña, on the other hand, is associated with above average rainfall, cooler daytime temperatures and increased chance of tropical cyclones and flood events. Although similar numbers of heatwave-related hospitalisations occurred in El Niño and La Niña years studied, the number of injuries related to bushfires was higher in El Niño years. During the 2019–20 bushfires, in the week beginning January 5 2020, there were 1,100 more hospitalisations than the previous five-year average, an 11% increase. Although El Niño hasn’t directly been proved as the cause for these three spikes, according to the Bureau of Meteorology, two of the three years (2016-17 and 2019-20) were El Niño summers. And the other year (2013-14) was the warmest neutral year on record at that time. <h2>Regional differences</h2> Exposure to excessive natural heat was the most common cause leading to injury hospitalisation for all the mainland states and territories. From 2019 to 2022, there were 2,143 hospital admissions related to extreme heat, including: <ul> <li>717 patients from Queensland</li> <li>410 from Victoria</li> <li>348 from NSW</li> <li>267 from South Australia</li> <li>266 from Western Australia</li> <li>73 from the Northern Territory</li> <li>23 from the ACT</li> <li>19 from Tasmania.</li> </ul> <figure class="align-center "><img src="https://images.theconversation.com/files/556987/original/file-20231101-27-3c98xm.png?ixlib=rb-1.1.0&q=45&auto=format&w=754&fit=clip" sizes="(min-width: 1466px) 754px, (max-width: 599px) 100vw, (min-width: 600px) 600px, 237px" srcset="https://images.theconversation.com/files/556987/original/file-20231101-27-3c98xm.png?ixlib=rb-1.1.0&q=45&auto=format&w=600&h=632&fit=crop&dpr=1 600w, https://images.theconversation.com/files/556987/original/file-20231101-27-3c98xm.png?ixlib=rb-1.1.0&q=30&auto=format&w=600&h=632&fit=crop&dpr=2 1200w, https://images.theconversation.com/files/556987/original/file-20231101-27-3c98xm.png?ixlib=rb-1.1.0&q=15&auto=format&w=600&h=632&fit=crop&dpr=3 1800w, https://images.theconversation.com/files/556987/original/file-20231101-27-3c98xm.png?ixlib=rb-1.1.0&q=45&auto=format&w=754&h=794&fit=crop&dpr=1 754w, https://images.theconversation.com/files/556987/original/file-20231101-27-3c98xm.png?ixlib=rb-1.1.0&q=30&auto=format&w=754&h=794&fit=crop&dpr=2 1508w, https://images.theconversation.com/files/556987/original/file-20231101-27-3c98xm.png?ixlib=rb-1.1.0&q=15&auto=format&w=754&h=794&fit=crop&dpr=3 2262w" alt="" /><figcaption><a class="source" href="https://www.aihw.gov.au/reports-data/latest-reports">AIHW National Hospital Morbidity Database</a>, <a class="license" href="http://creativecommons.org/licenses/by/4.0/">CC BY</a></figcaption></figure> The report also includes state and territory data on hospitalisations related to extreme cold and storms. During the ten-year period analysed, there were 773 injury hospitalisations and 242 deaths related to extreme cold. Extreme rain or storms accounted for 348 injury hospitalisations and 77 deaths. From 2019 to 2022, there were 191 hospitalisations related to extreme cold, with Victoria recording the highest number (51, compared to 40 in next-placed NSW). During the same period there were 111 hospitalisations related to rain and storms, with 52 occurring in NSW and 28 in Queensland. <h2>What about for bushfires?</h2> Over the ten-year period studied, there were 894 hospitalisations and 65 deaths related to bushfires. Bushfire-related injury hospitalisations and deaths peaked in 2019–20, an El Niño year with 174 hospitalisations and 35 deaths. The two most common injuries that result from bushfires are smoke inhalation and burns. During the 2019–20 bushfires, in the week beginning 5 January 2020 there were 1,100 more respiratory hospitalisations than the previous five-year average, an 11% increase. The greatest increase in the hospitalisation rate for burns was 30% in the week beginning December 15 2019 — 0.8 per 100,000 persons (about 210 hospitalisations), compared with the previous 5-year average of 0.6 per 100,000 (an average of 155 hospitalisations). <h2>Some people are particularly vulnerable</h2> Anyone can be affected by extreme weather-related injuries but some population groups are more at risk than others. This includes older people, children, people with disabilities, those with pre-existing or chronic health conditions, outdoor workers, and those with greater <a href="https://www.mdpi.com/2071-1050/15/1/813">socioeconomic disadvantage</a>. People in these groups may have reduced capacity to avoid or reduce the health impacts of extreme weather conditions, for example older people taking medication may be less able to regulate their body temperature. “Thermal inequity” includes people living in poor quality housing who have difficulty accessing adequate heating and cooling. For heat-related injuries between 2019–20 and 2021–22, people aged 65 and over were the most commonly admitted to hospital, followed by people aged 25–44. Across age groups, men had higher numbers of heat related injury hospitalisations than women. This difference was most notable among those aged 25-44 and 45-64 years, where over twice as many men were hospitalised due to extreme heat as women. <h2>We still don’t have a full picture</h2> The AIHW data only includes injuries which were serious enough for patients to be admitted to hospital; it doesn’t include cases where patients treated in an emergency department and sent home without being admitted. It includes injuries that were directly attributable to weather-related events but does not include injuries that were indirectly related. For example, it doesn’t include injuries from road traffic accidents that occur due to wet weather, since the primary cause of injury would be recorded as “transport”. Improved surveillance of weather-related injuries could help the health system and the community better prepare for responding to extreme weather conditions. For example, better data aids communities in predicting what resources will be needed during periods of extreme weather. A more complete picture of injuries during weather events could also be used to inform people of actions they can take to protect their own health. Given a predicted hot summer, this could be a matter of life or death. This article was co-authored by Sarah Ahmed and Heather Swanston from the Injuries and System Surveillance Unit at the Australian Institute of Health and Welfare.<img style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important;" src="https://counter.theconversation.com/content/216440/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /> <a href="https://theconversation.com/profiles/amy-peden-1136424">Amy Peden</a>, NHMRC Research Fellow, School of Population Health & co-founder UNSW Beach Safety Research Group, <a href="https://theconversation.com/institutions/unsw-sydney-1414">UNSW Sydney</a> Image credits: Getty Images This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/extreme-weather-is-landing-more-australians-in-hospital-and-heat-is-the-biggest-culprit-216440">original article</a>.

Caring

4 ways to support someone with dementia during extreme heat

<a href="https://theconversation.com/profiles/nikki-anne-wilson-342631">Nikki-Anne Wilson</a>, <a href="https://theconversation.com/institutions/unsw-sydney-1414">UNSW Sydney</a> Our ability to adapt our behaviour to changes in temperature takes a significant amount of thought and decision making. For example, we need to identify suitable clothing, increase our fluid intake, and understand how to best keep the house cool. A person with dementia may find some or all these things challenging. These and other factors mean, for someone with dementia, extreme heat <a href="https://pubmed.ncbi.nlm.nih.gov/31520832/#:%7E:text=Conclusion%3A%20Heatwaves%20increased%20the%20risk,heat%2Drelated%20Alzheimer's%20disease%20burden.">can be deadly</a>. But as the temperature rises, friends, relatives and carers can help. <h2>El Niño means there are challenges ahead</h2> The recent declaration of <a href="https://www.abc.net.au/news/2023-09-19/bureau-of-meteorology-el-nino-blog/102875154">another El Niño</a> means we need to think about how we can best support those more vulnerable to be safe during the warmer months. Extreme heat and bushfires bring unique challenges for someone with dementia. Bushfires have a significant impact on older people’s mental health. But they generally <a href="https://www.health.act.gov.au/sites/default/files/2023-03/PATH_Impact%20of%202019-20%20Bushfires%20on%20a%20Cohort%20of%20Older%20Adults_REPORT_V3_0.pdf">bounce back</a> quickly. However, for someone with dementia, extreme heat can lead to a <a href="https://www.sciencedirect.com/science/article/pii/S0013935119305110">significant deterioration</a> in their overall health and they may not recover. Emergency evacuations can also be confusing and distressing for a person with dementia, so it is important to think ahead. <h2>Why are people with dementia more at risk?</h2> Dementia can affect the parts of the brain that help <a href="https://academic.oup.com/brain/article/138/11/3360/332653?login=true">regulate</a> our body temperature. Some <a href="https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0243665">medications</a> can also increase someone’s sensitivity to heat. Problems with memory and thinking associated with dementia <a href="https://www.alzheimers.org.uk/get-support/daily-living/drinking-hydration">means</a> remembering to drink or communicating you are thirsty can be challenging. Heat can affect everyone’s mood. But if someone with dementia becomes dehydrated this can <a href="https://www.alzdiscovery.org/cognitive-vitality/blog/can-dehydration-impair-cognitive-function">increase</a> confusion and agitation, making it harder for them to know how to cool down. A person with dementia can also wander and become lost, which can be dangerous in extreme heat. <h2>4 ways to support someone with dementia</h2> 1. Avoid dehydration and heatstroke Try to avoid dehydration by encouraging someone to drink throughout the day. It’s better to have <a href="https://pubmed.ncbi.nlm.nih.gov/31769256/">small amounts</a> of liquid regularly instead of a large amount all at once. Little and often will help maximise hydration while avoiding sudden trips to <a href="https://www.betterhealth.vic.gov.au/health/conditionsandtreatments/dementia-continence-issues#causes-of-incontinence-in-people-with-dementia">the bathroom</a>. Try to offer different types of drinks, or ice blocks. Placing drinks in sight can help as a reminder to drink. Choose foods with a high liquid content, such as fruit, salads, cool broths and yoghurt. Look out for <a href="https://www.nia.nih.gov/health/hot-weather-safety-older-adults#:%7E:text=Signs%20of%20heat%20stroke%20are,as%20under%20shade%20or%20indoors.">signs of heatstroke</a>, such as increased confusion beyond what the person would usually experience. Heatstroke may be more difficult to spot in someone living with dementia so it is important to check in when possible and to help them cool down if needed. 2. Cool the home Try to modify their home to make it easier to stay cool. Some air-conditioners have complex settings so make sure the temperature is set appropriately and the person with dementia knows how to use the controls. It is important to keep blinds and curtains shut where possible to reduce heat. However, ensure the <a href="https://www.scie.org.uk/dementia/supporting-people-with-dementia/dementia-friendly-environments/lighting.asp">lighting is adequate</a> to avoid falls. Try to support the person to make suitable clothing choices for the season by having cool, lightweight options easily available. 3. Think about communications early If someone with dementia lives alone, consider how you will maintain contact in an emergency. Some people may not realise many landlines don’t work in a power outage, and of course, mobile phones can’t be recharged. Ensure the person with dementia has access to an <a href="https://www.telstra.com.au/support/category/home-phone/uninterruptible-power-supply">uninterruptable power supply</a>. This can help maintain communication for a few hours in a blackout. 4. Have an evacuation plan In case of fire, flash flooding or severe storm, <a href="https://dementiaresearch.org.au/wp-content/uploads/2017/10/2447_DCRC_Prep_natural_disaster_EBook_5.pdf">have an evacuation plan</a>. If the person with dementia attends a day or respite centre, know their plan too. The situation can change quickly in an emergency, and this can be particularly overwhelming for people with cognitive issues. Understand that someone with dementia may become distressed when their routine is disrupted. So be prepared with some simple activities or comfort items, current medications, and any specific medical information. Stay up-to-date with <a href="http://www.bom.gov.au/">current warnings</a> and act early whenever possible. <h2>We can all help</h2> It’s not just carers of people with dementia who can help. We can all ensure people with dementia stay safe and cool this spring and summer. So remember to check in on your relatives, friends and neighbours or arrange for someone to do so on your behalf.<img style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important;" src="https://counter.theconversation.com/content/213987/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /> <a href="https://theconversation.com/profiles/nikki-anne-wilson-342631">Nikki-Anne Wilson</a>, Postdoctoral Research Fellow, Neuroscience Research Australia (NeuRA), <a href="https://theconversation.com/institutions/unsw-sydney-1414">UNSW Sydney</a> Image credits: Getty Images This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/4-ways-to-support-someone-with-dementia-during-extreme-heat-213987">original article</a>.

Body

"I can’t a fjord it": Inside one of the world’s most extreme restaurants

One of the world's most extreme restaurants has gone viral and not only for its unique location and shape, but also its exclusive dining experience that's eerily similar to 2022 horror film The Menu. Restaurant Iris is located inside a giant silvery orb in Hardangerfjord, the second largest Fjord in Norway. The four-storey structure, called the Salmon Eye is inspired by - you guessed it - the shape of a fish eye, and it is quite a sight to behold. The Salmon Eye is covered in 9,000 steel plates to emulate fish scales, weighing a whopping 1,256 tonnes and an impressive diameter of 25 metres, with one sub-surface floor that boasts a panoramic view of the Fjord. The restaurant itself can only be accessed by an electric boat off the shore of Rosendal, as guests are treated to "an exclusive expedition dining-journey" which offers an 18-course meal and panoramic views. The 24-seat restaurant is run by Head Chef Anika Madsen, and prior to having their main meal, guests are taken to the chef's boathouse on the nearby island of Snilstveitoy, for a "welcoming snack". The menu is designed to showcase "the most local ingredients possible", which reflects Madsen's "commitment to sustainability" and her "passion for discovering new ingredients from the ocean". Mari Eriksmoen posted the viral video on TikTok which has racked up over eight million views. "This spectacular just opened in the middle of the Hardangerfjord in Norway," she started in the clip with a shot of the structure floating in the middle of the fjord. She described the experience of walking into the restaurant "like entering a spaceship," and was mesmerised by the "insane views". Once the evening kicks off, guests indulge in a multi-sensory experience where they were instructed to pick a "cracker" hanging from the ceiling after watching a "short movie about food waste". Another TikTok user compared it to the extraterrestrial spacecraft from the 2016 sci-fi film Arrival. However many other users compared the dining experience to 2022 horror film The Menu, where a group of guests eat at an exclusive restaurant on a remote island and face dire consequences. "Did we learn nothing from The Menu?" commented one user with the crying face emoji. "I know how this movie ends," wrote another user. "I can’t a fjord it," joked a third. The dining experience aims to "blend gastronomy and activism on a global scale" as they hope to raise awareness on the the challenges and threats to the global food system. "The menu at Iris reads like a story, " a statement said. "A story about the challenges and threats to the global food system, but also with ideas and suggestions for future innovations, that can help bring us closer to solving them." The tasting menu itself is priced at 3,200 Norwegian Krone ($316) with an optional wine pairing for 2,500 Norwegian Krone ($247). For those who want to visit the Salmon Eye, but don't want to dine in, they can buy a ticket for a two-hour "learning experience" at the centre priced at 349 Norwegian Krone ($34). Images: Salmon Eye Website/ Instagram, TikTok

Food & Wine

Extreme weather events are exactly the time to talk about climate change – here’s why

<a href="https://theconversation.com/profiles/josh-ettinger-1302389">Josh Ettinger</a>, <a href="https://theconversation.com/institutions/university-of-oxford-1260">University of Oxford</a> Record-breaking heatwaves are <a href="https://public.wmo.int/en/media/news/simultaneous-heatwaves-hit-northern-hemisphere-summer-of-extremes">sweeping across the northern hemisphere</a>, affecting large parts of southern Europe, the US and China. On July 24, Sicily recorded blistering temperatures <a href="https://www.bbc.com/news/world-europe-66302472">of more than 47.5℃</a> and wildfires are currently <a href="https://www.theguardian.com/world/2023/jul/25/how-bad-are-wildfires-in-greece-what-caused-them-visual-guide-heatwave">tearing through Greece</a>. The heatwaves come as <a href="https://www.reuters.com/graphics/CANADA-WILDFIRE/HISTORIC/znvnzebmavl/">record numbers of fires continue to burn</a> across Canada. A <a href="https://www.bbc.co.uk/news/science-environment-66289489">study by the World Weather Attribution group</a> found that these heatwaves would have been “virtually impossible” without climate change. In fact, the heatwave that is affecting parts of China was made 50 times more likely by global warming. This is exactly what climate scientists have been warning us about for decades – climate change makes many types of extreme weather event <a href="https://www.carbonbrief.org/explainer-what-the-new-ipcc-report-says-about-extreme-weather-and-climate-change/">more likely, more intense and longer lasting</a>. As a PhD researcher examining extreme weather events and climate change communication, I have spent the past four years exploring how extreme weather events may affect the way the public feels, thinks and acts on climate change. One area of interest to researchers is how extreme weather events might reduce the <a href="https://www.sciencedirect.com/science/article/pii/S0272494422000676">“psychological distance”</a> associated with climate change. While climate change can feel abstract and vague, extreme weather is something people can experience firsthand. But <a href="https://iopscience.iop.org/article/10.1088/1748-9326/ab466a/meta">research offers contrasting results</a>. Some studies have found that extreme weather events lead to an <a href="https://www.journals.uchicago.edu/doi/full/10.1017/S0022381612000448?casa_token=dTns6Kvds1AAAAAA%3AkQcleVJ95vJUyh5Pg2vxvFEDbzfR1RsuOI131QCMO0wvdtIiLSVEq4EW6fZYwC7Yhraxj-NB9g">increased belief</a> that human-driven climate change is occurring and <a href="https://link.springer.com/article/10.1007/s10584-016-1837-4">greater support for climate action</a>. Others <a href="https://link.springer.com/article/10.1007/s10584-021-03176-z">find no effects</a> or suggest that these effects are <a href="https://www.sciencedirect.com/science/article/abs/pii/S0959378017309135?via%3Dihub">only temporary</a>. However, <a href="https://www.nature.com/articles/s41467-022-32412-y">we often underestimate</a> how much the public already cares about climate change. In Britain, <a href="https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/1164127/desnz-pat-spring-2023-net-zero-and-climate-change.pdf">just 4% of the public</a> say they are not at all concerned about climate change, while only <a href="https://climatecommunication.yale.edu/about/projects/global-warmings-six-americas/">11% of Americans</a> dismiss the issue. Given that <a href="https://www.pewresearch.org/short-reads/2019/04/18/a-look-at-how-people-around-the-world-view-climate-change/">most people</a> are already concerned about climate change, an important question now is how to shift these existing concerns into action. <a href="https://theconversation.com/how-to-talk-to-your-family-and-friends-about-the-new-ipcc-report-five-tips-from-climate-change-communication-research-202306">Talking about climate change</a> is a powerful way of mobilising climate action, and extreme weather events provide helpful climate conversation starters. We can use these moments as opportunities to <a href="https://journals.sagepub.com/doi/10.1177/20563051231177930">engage our families, friends and communities</a> in discussions about how climate change may relate to these events and <a href="https://drawdown.org/solutions">what we can do about it</a>. So, if you decide to engage people you know in discussions about extreme weather and climate change, here are a few thoughts and guidelines to keep in mind. <h2>1. Listen and share perspectives</h2> <a href="https://www.sciencedirect.com/science/article/abs/pii/S0887618520300773">Extreme weather events can be traumatic</a> and climate change can evoke a wide range of emotional responses. If the person you are talking to is comfortable discussing the topic, ask them about their experiences and observations. Encourage them to tell stories and affirm the validity of their emotional response – whether they are afraid, angry, hopeful or worried. There is no one right way to feel about climate change, so listen to what they have to say and then share your own perspective too. <h2>2. Talk about planning and preparation</h2> When discussing extreme weather events, some people may link their experiences to climate change, while others focus on various local factors that contribute to extreme weather risks. The risks associated with extreme weather arise from a <a href="https://www.ipcc.ch/report/ar6/wg2/chapter/summary-for-policymakers/">combination</a> of factors. These include the weather itself, which can be influenced by climate change, the level of exposure of people and places to extreme weather and the vulnerability of those to harm. Climate change, for instance, can affect the frequency, intensity and duration of wildfires. But emergency responses, evacuation procedures, firefighting and healthcare systems are crucially important to reduce risks. There are also significant equity and justice implications of extreme weather as different populations are <a href="https://link.springer.com/article/10.1007/s41885-020-00060-5">affected disproportionally</a>. It’s also important to bear in mind that while climate change affects many extreme weather events, it <a href="https://www.carbonbrief.org/climate-change-not-the-main-driver-of-madagascar-food-crisis-scientists-find/">does not necessarily affect every instance</a>. Weather systems are complex and there are <a href="https://theconversation.com/heres-why-climate-change-isnt-always-to-blame-for-extreme-rainfall-206958">meteorological processes</a> that scientists are still trying to understand. We also need to make sure the roles of local planning and preparation in minimising the impact of these events are not overlooked. <h2>3. Challenge arguments about politicising the weather</h2> In May 2023, Republican governor of Florida, Ron DeSantis, dismissed concerns about global warming by claiming that he rejects the <a href="https://www.independent.co.uk/news/world/americas/us-politics/desantis-climate-change-fox-news-b2346211.html">“politicisation of the weather”</a>. Ontario premier, Doug Ford, recently <a href="https://www.cbc.ca/news/canada/toronto/ontario-climate-change-forest-fires-politics-ford-stiles-1.6869071">made a similar argument</a> about Canada’s wildfires. In conversations, it’s possible that someone might accuse you too of “politicising” the weather. You can (respectfully) push back against this claim. This argument is a <a href="https://www.cambridge.org/core/journals/global-sustainability/article/discourses-of-climate-delay/7B11B722E3E3454BB6212378E32985A7">discourse of climate delay</a>. Rather than denying the existence of human-driven climate change, climate delay discourses try to shut down climate discussions and cast doubt on the need to act very quickly. These arguments disingenuously assert that acting on climate is too expensive, too late or that someone else should take care of it – and they are <a href="https://theconversation.com/climate-change-multi-country-media-analysis-shows-scepticism-of-the-basic-science-is-dying-out-198303">becoming increasingly common</a>. If we shouldn’t discuss climate change when extreme weather occurs, then when is the right time? If we want to protect lives, we need to talk about – and act upon – the risks associated with extreme weather events and the disasters they can cause. If talking about climate change politicises the weather, so be it. The politics of climate denial and delay affected this summer’s weather, and our current decisions will shape our planet for thousands of years. The science is clear. Act now or face increasingly dire consequences.<img style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important;" src="https://counter.theconversation.com/content/210412/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /> <a href="https://theconversation.com/profiles/josh-ettinger-1302389">Josh Ettinger</a>, Doctoral researcher, School of Geography and the Environment, <a href="https://theconversation.com/institutions/university-of-oxford-1260">University of Oxford</a> Image credits: Getty Images This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/extreme-weather-events-are-exactly-the-time-to-talk-about-climate-change-heres-why-210412">original article</a>.

Travel Trouble

Extreme Hollywood body transformations have become standard preparations for film actors – but we need to consider the consequences

<a href="https://theconversation.com/profiles/gemma-sharp-314703">Gemma Sharp</a>, <a href="https://theconversation.com/institutions/monash-university-1065">Monash University</a> and <a href="https://theconversation.com/profiles/bronwyn-dwyer-1453560">Bronwyn Dwyer</a>, <a href="https://theconversation.com/institutions/monash-university-1065">Monash University</a> “…when you’re shooting a film like Magic Mike, and you’re doing dance routines for two weeks at a time, you have to peak every day. So that became kind of crazy. We had a gym in the parking lot, and we’d all be lifting weights on set all day,” <a href="https://wegotthiscovered.com/movies/interview-channing-tatum-joe-manganiello-magic-mike/">explained actor Joe Manganiello</a>, about performing in the film Magic Mike. It is not unusual for actors to undergo drastic changes in preparation for a role, including gaining muscle and losing body fat for that shredded look. In fact, this is becoming the norm in Hollywood. <a href="https://www.menshealth.com/fitness/a43945188/jake-gyllenhaals-road-house-transformation/">Jake Gyllenhaal</a> in Road House, <a href="https://www.insider.com/michelle-rodriguez-rege-jean-page-workout-dungeons-and-dragons-sdcc-2022-7">Michelle Rodriguez</a> in Dungeons & Dragons, and <a href="https://www.menshealth.com/entertainment/a42532547/paul-rudd-marvel-ant-man-interview/">Paul Rudd</a> in Ant-Man and the Wasp: Quantumania, have all undertaken body modifications for roles this year. As the audience, we readily accept these body modifications to be part of the preparation for the role without necessarily considering the potentially long-term physical and mental health consequences. <h2>So how do they do it?</h2> From what Hollywood shares with the general public about these body modifications, which is generally very limited, it appears these transformations occur through excessive exercise and highly restrictive diets. Nevertheless, these Hollywood workouts are highly popular with ordinary people, with Dwayne “The Rock” Johnson and Chris Hemsworth’s workouts <a href="https://sustainhealth.fit/lifestyle/most-searched-hollywood-actor-workouts/">particularly sought after</a>. These regimens resemble those of competitive bodybuilders, <a href="https://journals.lww.com/hrpjournal/Abstract/2019/07000/Competitive_Bodybuilding__Fitness,_Pathology,_or.3.aspx">whose success also relies on appearance</a>. The <a href="https://link.springer.com/article/10.2165/00007256-200434050-00004">typical process for bodybuilders</a> involves two phases: a “bulking” phase, during which the goal is to have enough energy for muscle growth, and a “cutting” phase, when the aim is to lose weight but not muscle. The end result of such a process is usually highly applauded, even though drastic measures have been taken to achieve such a look. Actors of all genders are undergoing these body transformations for <a href="https://www.sportskeeda.com/comics/10-marvel-actors-whose-body-transformation-shocked-world">various roles</a> such as superheroes, athletes, or the portrayal of real-life people. <h2>What are the consequences?</h2> “I’ve become a little bit more boring now, because I’m older and I feel like if I keep doing what I’ve done in the past I’m going to die. So, I’d prefer not to die,” <a href="https://www.menshealth.com/uk/fitness/lifestyle/a29725245/christian-bale-no-more-body-transformation-roles/">said Christian Bale</a>, who has undertaken multiple extreme transformations for roles. To achieve what is needed for a particular role, extreme measures are often taken. However, the consequences of these measures, such as use of substances, exercise dependence, and an increased risk of developing muscle dysmorphia and/or an eating disorder, is seemingly not common knowledge. A concern for the bodybuilding community is the widespread use of drugs, <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4026349/">often multiple drugs at a time not obtained through prescription</a>. Androgenic-anabolic steroids are commonly used which can have extensive negative effects on the human body, including on the cardiovascular system, hormones, metabolism and even psychiatric wellbeing. Exercise dependence can also occur when an individual engages in an extreme amount of exercise, to the point at which <a href="https://link.springer.com/article/10.1007/s11936-018-0674-3">physical, psychological or emotional harm</a> can occur. We are not sure exactly why exercise dependence happens, but it could potentially be a form of <a href="https://www.tandfonline.com/doi/full/10.1080/19585969.2023.2164841">behavioural addiction</a>. Another risk is <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4977020/">muscle dysmorphia</a>, a subtype of body dysmorphic disorder characterised by the individual being preoccupied with the idea their physique is not muscular enough, even if they have a high degree of muscle. <h2>What about the dieting impacts?</h2> There are many similarities between the requirements of bodybuilding and eating disorders. Both are characterised by restrictive diets, high levels of exercise, potential social isolation, and adherence to a <a href="https://journals.lww.com/hrpjournal/Abstract/2019/07000/Competitive_Bodybuilding__Fitness,_Pathology,_or.3.aspx">rigid schedule</a>. The seminal <a href="https://www.sciencedirect.com/science/article/pii/S002231662210249X?via%3Dihub">Minnesota Starvation Experiment</a> fundamentally shaped our understanding of the changes a person can experience when they are consuming less than their daily nutrition energy needs, such as during the “cutting” phase for bodybuilders. This research showed that people who are experiencing starvation for a period of time will experience devastating impacts in the physical, psychological, behavioural and social aspects of their lives. Some of the many documented changes included reductions in heart muscle mass, heart rate and blood pressure, dizziness, fatigue, increased feelings of depression and anxiety, obsessive thoughts about food, and withdrawal from social activities and relationships. Concerningly, even once a person is renourished, the psychological issues around body size and food <a href="https://onlinelibrary.wiley.com/doi/abs/10.1002/eat.23095">can persist</a>. Therefore, even after an actor has returned to their pre-modification weight and size, it does not mean they have recovered from the consequences that came with that body modification. <h2>What are the impacts on the general public?</h2> Rapid changes in physical appearance are not realistically achievable for most people. So seeing actors doing this seemingly easily with the assistance of their professional teams sets an <a href="https://link.springer.com/article/10.1007/s40894-022-00179-4">unrealistic standard</a>. For people without the same income or access to resources to achieve these body modifications in a safe way, <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8872588/">more extreme means</a> would be undertaken and consequent damage to mental and physical wellbeing can ensue. These body modifications are definitely a case of “do not try this at home”. There are many risks when undertaking dramatic body modifications, most of which are not talked about in public. Actors are just as vulnerable to these risks, despite us rarely seeing what exactly they go through to achieve these dramatic transformations. Hollywood is a highly competitive environment, and being honest about body modification and its consequences could stop an actor landing their next gig. We don’t recommend body modifications in any way, but if someone does want to make a change to their lifestyle, we strongly recommend consulting with a team of health professionals to ensure physical and psychological safety during the process and beyond. –– If this article has raised issues for you, or if you’re concerned about someone you know, do not hesitate to reach out for support. For concerns around eating, exercise, or body image visit the <a href="https://butterfly.org.au/">Butterfly Foundation</a> or call the national helpline on 1800 33 4673. For concerns around drug use visit <a href="https://www.health.gov.au/our-work/drug-help">Drug Help</a> or call the National Alcohol and Other Drug Hotline on 1800 250 015.<img style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important;" src="https://counter.theconversation.com/content/207722/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /> <a href="https://theconversation.com/profiles/gemma-sharp-314703">Gemma Sharp</a>, Associate Professor, NHMRC Emerging Leadership Fellow & Senior Clinical Psychologist, <a href="https://theconversation.com/institutions/monash-university-1065">Monash University</a> and <a href="https://theconversation.com/profiles/bronwyn-dwyer-1453560">Bronwyn Dwyer</a>, , <a href="https://theconversation.com/institutions/monash-university-1065">Monash University</a> Image credits: 20th Century Fox This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/extreme-hollywood-body-transformations-have-become-standard-preparations-for-film-actors-but-we-need-to-consider-the-consequences-207722">original article</a>.

Body

Why is extreme ‘frontier travel’ booming despite the risks?

<a href="https://theconversation.com/profiles/anne-hardy-151480">Anne Hardy</a>, <a href="https://theconversation.com/institutions/university-of-tasmania-888">University of Tasmania</a>; <a href="https://theconversation.com/profiles/can-seng-ooi-399312">Can Seng Ooi</a>, <a href="https://theconversation.com/institutions/university-of-tasmania-888">University of Tasmania</a>; <a href="https://theconversation.com/profiles/hanne-e-f-nielsen-139245">Hanne E.F. Nielsen</a>, <a href="https://theconversation.com/institutions/university-of-tasmania-888">University of Tasmania</a>, and <a href="https://theconversation.com/profiles/joseph-m-cheer-104606">Joseph M. Cheer</a>, <a href="https://theconversation.com/institutions/western-sydney-university-1092">Western Sydney University</a> The world has watched in shock as rescue crews feverishly search for the <a href="https://oceangate.com/our-subs/titan-submersible.html">Titan</a> submersible vehicle, which <a href="https://www.theguardian.com/uk-news/2023/jun/19/titanic-tourist-submarine-missing-north-atlantic">disappeared</a> while attempting to take tourists to view the wreckage of the Titanic in the North Atlantic. The horror of the incident raises questions as to why people engage in risky tourism activities in remote locations and whether there should be more restrictions to what adrenaline-seeking tourists can do. <h2>What is frontier tourism?</h2> This type of travel, known as “<a href="https://research.monash.edu/en/publications/frontier-tourism-retracing-mythic-journeys">frontier tourism</a>”, is becoming big business. The wider adventure tourism industry is already worth <a href="https://www.futuremarketinsights.com/reports/adventure-tourism-market">billions of dollars</a> – and is growing quickly. Frontier tourism is an exclusive and extreme form of adventure travel. The trips are very expensive, aim to overstimulate the senses and go to the outer limits of our planet – the deep oceans, high mountains, polar areas – and even space. Frontier tourism is not new; humans have explored remote locations for millennia. Pasifika people used the stars to navigate the oceans for migration and trade. Europeans sailed to the edges of what they believed to be a flat Earth. In recent years, however, frontier tourism has attracted widespread attention thanks to the common occurrence of long queues on <a href="https://theconversation.com/70-years-after-the-first-ascent-of-everest-the-impact-of-mass-mountaineering-must-be-confronted-204270">Mount Everest</a>, the trending <a href="https://www.tiktok.com/discover/Drake-Shake">TikTok phenomenon</a> of crossing the #DrakePassage in <a href="https://theconversation.com/more-than-100-000-tourists-will-head-to-antarctica-this-summer-should-we-worry-about-damage-to-the-ice-and-its-ecosystems-192843">Antarctica</a> and the rapid development of <a href="https://theconversation.com/virgin-galactics-use-of-the-overview-effect-to-promote-space-tourism-is-a-terrible-irony-206868">space tourism</a> for the wealthy. The rise of travel content sharing on social media and <a href="https://www.tandfonline.com/doi/abs/10.1080/10548408.2021.2006858?journalCode=wttm20">revenge travel following COVID-19</a> have contributed to the surge in its popularity. <blockquote class="twitter-tweet"> When you’re happily having dinner and the ocean decides to scare the shit out of you! Cue debate around just how strong those windows are… <a href="https://twitter.com/hashtag/DrakePassage?src=hash&ref_src=twsrc%5Etfw">#DrakePassage</a> <a href="https://twitter.com/hashtag/SouthernOcean?src=hash&ref_src=twsrc%5Etfw">#SouthernOcean</a> <a href="https://twitter.com/hashtag/BigSwell?src=hash&ref_src=twsrc%5Etfw">#BigSwell</a> <a href="https://t.co/OLDq5W2Wkm">pic.twitter.com/OLDq5W2Wkm</a> — Dan Brown (@DanBrownNature) <a href="https://twitter.com/DanBrownNature/status/1598669901350293509?ref_src=twsrc%5Etfw">December 2, 2022</a></blockquote> <h2>Why are we so obsessed with extreme forms of tourism?</h2> Risky activities release chemicals in the brain that can be addictive. Research <a href="https://doi.org/10.1177/0013916594261001">suggests</a> engaging in risky tourism activities, such as scaling a high mountain, can bring about feelings of accomplishment and euphoria. Travellers report feeling alive and experiencing a sense of transformation. Some are also <a href="https://doi.org/10.1080/09669582.2021.1897131">attracted</a> to the pristine, untouched and remote aspects of the locations that they visit. Furthermore, the <a href="https://www.nytimes.com/2023/06/20/movies/james-cameron-titanic.html">element of fantasy</a> associated with imagining certain places or stories, like the movie Titanic, can be alluring. Besides physical frontiers, there is also the <a href="https://www.cabidigitallibrary.org/doi/10.1079/9781780642093.0111">thrill people get</a> at pushing the human body to its limits and facing one’s fears. Base-jumping, skydiving, bungee jumping and polar plunges are common examples of this. In a slightly more mundane way, even tasting “<a href="https://journals.sagepub.com/doi/10.1177/1356766709104271">scary food</a>” pushes tourists outside of their comfort zone and helps them <a href="https://www.insider.com/harvard-psychologist-why-wealthy-seek-high-risk-trips-titanic-space-2023-6">feel alive</a>. Still others make extreme tourist journeys to follow in the <a href="https://www.nebraskapress.unl.edu/nebraska/9781496221216/">footsteps of their heroes</a>, such as those who travel to Antarctica to pay homage to explorer Ernest Shackleton. Extreme and risky activities not only make participants feel euphoric, but they also convey status. When bucket lists are ticked off and experiences shared on social media, this brings bragging rights. <a href="https://www.cambridge.org/core/journals/polar-record/article/from-awe-to-satisfaction-immediate-affective-responses-to-the-antarctic-tourism-experience/2B65FEDCEF9D7DEBB689C39C93549702">Research</a> suggests many travellers seek recognition for undertaking the first, longest or most extreme experiences possible. But frontier tourism is clearly not for all. It is usually only accessible to a privileged few, as the tragic circumstances of the Titan highlight. Passengers onboard the vessel reportedly paid <a href="https://www.bbc.com/news/world-us-canada-65953872">US$250,000</a> for the voyage. <h2>What are the impacts of frontier tourism?</h2> Beyond the unspeakable angst that friends and family must endure when things go wrong, there are many other impacts of this form of tourism. This type of travel can create <a href="https://www.taylorfrancis.com/chapters/edit/10.4324/9781003219866-11/tourist-experiences-attention-products-seng-ooi">environmental harm and negatively impact local communities</a>. For example, after decades of mass mountaineering, the environmental <a href="https://theconversation.com/70-years-after-the-first-ascent-of-everest-the-impact-of-mass-mountaineering-must-be-confronted-204270">impact</a> on Mount Everest must be addressed. And when mishaps do occur, the cost of search and rescue efforts can be massive and put rescue teams at great risk. The plight of frontier tourists are usually the focus of media reports, while emergency responders are often overlooked. Recent efforts by sherpas such as <a href="https://www.netflix.com/au/title/81464765">Nimsdai Purja</a> are trying to overcome this issue. Through the Netflix documentary, 14 Peaks, he publicises the behind-the-scene preparations and heavy lifting work done by sherpas who guide and rescue tourists up Everest and other mountains. <blockquote class="twitter-tweet"> Climbers have been filmed crushed together in a “human traffic jam” as they battle the elements in an attempt to reach the summit of Mount Everest. Terrifying. <a href="https://t.co/pehNmJCPdP">https://t.co/pehNmJCPdP</a> <a href="https://t.co/nxVhADM0L8">pic.twitter.com/nxVhADM0L8</a> — news.com.au (@newscomauHQ) <a href="https://twitter.com/newscomauHQ/status/1133978847387430912?ref_src=twsrc%5Etfw">May 30, 2019</a></blockquote> <h2>Frontier tourism is not going away</h2> Despite tragedies like the Titan disappearance, tourists remain attracted to the quest for the most unique experiences in the most remote, uncharted places. Tourists also increasingly feel able to embark on trips once perceived as too dangerous because technology and other innovations have ostensibly made them safer and more accessible. In many instances that danger remains, but the commercial transaction <a href="https://onlinelibrary.wiley.com/doi/abs/10.1111/j.1835-9310.2002.tb00213.x">strips away the perceived risks</a> involved. Marketing materials aim to sell “safe” adventures, with the risks are often listed in the fineprint. A <a href="https://www.tandfonline.com/doi/full/10.1080/11745398.2017.1286512">polar plunge</a> in Antarctica, for instance, is often marketed as safe because participants are attached to a tether and the swim time is limited to prevent hypothermia. Two decades ago, in forecasting the growth of space tourism, anthropologist Valene Smith <a href="https://www.tandfonline.com/doi/pdf/10.1080/02508281.2000.11014920">said</a> what tourists want, the industry will provide. This has become a truism, as the Titan voyages demonstrate. The massive growth of frontier tourism could lead to even greater problems if the industry doesn’t respond in the right way. If travellers are going to expose themselves to extreme risks, whose responsibility is it, then, to ensure their safety and recovery should accidents occur? Many tourism businesses and travel insurance companies make risks known to their guests. But regulations on disclosing risks differ between countries. These means travellers may have to evaluate the risks themselves, and this is fraught with danger if company standards are low. One solution is frontier tourism might be best experienced in controlled and safe environments through <a href="https://www.tandfonline.com/doi/full/10.1080/14616688.2023.2224043">digital storytelling</a> or <a href="https://www.mdpi.com/2071-1050/15/4/3348">augmented and mixed reality</a>. However, this may not be enough to satisfy the adrenaline junkies out there. As the Titan incident illustrates, the unpredictable nature and unintended consequences of frontier tourism are very real things. While money can allow us to travel almost anywhere, it’s worth considering whether some places should just remain untouched, sacred and off limits completely.<img style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important;" src="https://counter.theconversation.com/content/208201/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /> <a href="https://theconversation.com/profiles/anne-hardy-151480">Anne Hardy</a>, Associate Professor, Tourism and Society, <a href="https://theconversation.com/institutions/university-of-tasmania-888">University of Tasmania</a>; <a href="https://theconversation.com/profiles/can-seng-ooi-399312">Can Seng Ooi</a>, Professor, <a href="https://theconversation.com/institutions/university-of-tasmania-888">University of Tasmania</a>; <a href="https://theconversation.com/profiles/hanne-e-f-nielsen-139245">Hanne E.F. Nielsen</a>, Senior lecturer, <a href="https://theconversation.com/institutions/university-of-tasmania-888">University of Tasmania</a>, and <a href="https://theconversation.com/profiles/joseph-m-cheer-104606">Joseph M. Cheer</a>, Professor of Sustainable Tourism and Heritage | Co Chair - World Economic Forum Global Future Council on the Future of Sustainable Tourism, <a href="https://theconversation.com/institutions/western-sydney-university-1092">Western Sydney University</a> Image credits: OceanGate This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/why-is-extreme-frontier-travel-booming-despite-the-risks-208201">original article</a>.

Travel Tips

“Extremely difficult”: Woman forced to live in car for over two years

A Queensland woman has revealed the “extremely lonely” reality of living in her car. Wendy lived in shared accommodation for seven years, with a weekly room rent upwards of $200 a week. With the rent increases showing no signs of slowing down, the 52-year-old found herself living in her car for the past two and a half years. She has shared some tips for those in the same boat. “Downsize to the bare necessities you need, with just those few little luxuries like a good coffee and the barbecues,” Wendy said. She allows herself some luxuries, such as a gym membership, so she can have a shower, coffee and the occasional hot dinner. If she can’t keep up with her gym payments, Wendy exercises until she’s warm and hops into one of the cold public showers. She worked in construction cleaning, but the early start and late finishes became too difficult. “Transforming my car into a cleaning business was, as you can imagine, a bit unhygienic,” she said. She relies on welfare to get by, which is “extremely hard”. Wendy has a storage shed to help her keep some of her belongings, but the cost of that will see an increase from $45 to $60 a week, “I’m now going to even be pushed out of the storage,” she said. Wendy can access fresh food just once a fortnight when she visits Encircle Redcliffe Neighbourhood Centre, Queensland, otherwise, she’s stuck with a 3-day time frame of storing food in her car. Now with winter just around the corner, she parks her car in underground car parks to shelter from the elements. “As soon as they see you on camera, they’re concerned about me being there,” she said. “So I will be kicked out of there soon too.” It feels as though those in power have “turned a blind eye” to the reality of the housing crisis, Wendy said. “There’s no help out there for us, I’ve applied for housing and been denied.” The extra $40 announced in the federal budget for people on welfare was “definitely not enough”, Wendy said. Even going to the doctor has become “extremely hard”, Wendy said, as many have stopped bulk billing, which has forced her to travel further to find those who do so. She’s now facing car troubles, which only furthers her challenging situation. “I’m only using my car if it’s really necessary,” she said. Aside from discomfort, Wendy confessed living out of her car was “extremely lonely”. “It’s intimidating when people are walking past and staring at you — you feel like an extreme oddball in this world.” Image credit: 7NEWS

Real Estate

Floods, cyclones, thunderstorms: is climate change to blame for New Zealand’s summer of extreme weather?

The final months of New Zealand’s summer carried a massive sting, bringing “unprecedented” rainfalls several times over, from widespread flooding in Auckland at the end of January to ex-tropical Cyclone Gabrielle dumping record rains and causing devastating floods across the east coast of the North Island. After all that, New Zealand experienced spells of thunderstorms, bringing repeat floods to parts of Auckland and then Gisborne. The obvious question is what role climate change plays in these record-breaking rainfalls. Some answers come from the international <a href="https://www.worldweatherattribution.org/">World Weather Attribution</a> team, which today released a <a href="https://spiral.imperial.ac.uk/bitstream/10044/1/102624/10/Scientific%20report%20New%20Zealand%20Floods.pdf">rapid assessment</a> which shows very heavy rain, like that associated with Cyclone Gabrielle, has become about four times more common in the region and extreme downpours now drop 30% more rain. The team analysed weather data from several stations, which show the observed increase in heavy rain. It then used computer models to compare the climate as it is today, after about 1.2℃ of global warming since the late 1800s, with the climate of the past. The small size of the analysed region meant the team could not quantify the extent to which human-caused warming is responsible for the observed increase in heavy rain in this part of New Zealand, but concluded it was the likely cause. <h2>More energy in the atmosphere and ocean</h2> Many factors add to the strength of a storm and the intensity of rainfall, especially for short bursts. A crucial factor is always the amount of energy available. Climate change is increasing that amount of energy in two main ways. First, everything is getting warmer. Rising sea surface temperatures provide <a href="https://sciencebrief.org/uploads/reviews/ScienceBrief_Review_CYCLONES_Mar2021.pdf">extra fuel for the development of tropical cyclones</a> because they grow by heating from below. Warmer seas mean potentially faster development of tropical cyclones, and stronger, more vigorous storms overall. Sea temperatures must be at least 26.5℃ to support the build-up of a tropical cyclone. So, as the oceans warm, these storms can reach farther from the equator. Second, warmer air can hold more water vapour. Every degree of warming increases the maximum amount of water vapour by around 7%. That extra water vapour tends to fall out as extra rain, but it also provides extra energy to a storm. <h2>Driving waves further inland</h2> The energy it takes to evaporate the water from the ocean surface and turn it into vapour is released again when the vapour condenses back into liquid water. A moister airmass heats the atmosphere more when clouds and rain form, making the air more buoyant and able to rise up more. This creates deeper, more vigorous clouds with stronger updrafts, and again more rain. Stronger updrafts in a storm mean more air will have to be drawn into the storm near the Earth’s surface, ensuring more “convergence” of air and moisture (water vapour). That’s why, even though a degree of warming translates to 7% more water vapour in the air, we can get 20% increases, or larger, in extreme rainfalls. All of this extra energy can contribute to making the storm stronger overall, with stronger winds and lower air pressures in its centre. This seems to have happened with Cyclone Gabrielle. Record low pressures were recorded at a few North Island locations as the storm passed. The low pressures act like a vacuum cleaner, sucking the sea surface up above normal sea level. The strong winds can then drive waves much further inland. Add in a bit of sea-level rise, and coastal inundation can get a lot worse a lot quicker. As the climate continues to change, storm intensity is likely to increase on average, as sea levels continue to rise. Those effects together are bound to lead to more dramatic coastal erosion and inundation. <h2>Thunderstorms riding warming seas</h2> These processes work for thunderstorms as well. A thunder cloud often starts as a buoyant mass of air over a warm surface. As the air rises (or convects), it cools and forces water vapour to condense back to liquid water, releasing heat and increasing the buoyancy and speed of the rising air. Again, that allows more moist air to be drawn into the cloud, and that convergence of moist air can increase rainfall amounts well above the 7% per degree of warming, for short bursts of very intense convection. The more intense the convection, the stronger the convergence of moisture and the heavier the resulting rainfall. Tropical cyclones have rings of thunderstorms around their eye during the time when they are truly tropical storms. As they transition out of the tropics into our neighbourhood, they change their structure but retain a lot of the moisture and buoyancy of the air. An ex-tropical cyclone like Gabrielle, moving over very warm water, can pack a devastating punch. Why has New Zealand had so much of this very heavy rain during the weeks from late January? Partly it’s the very warm ocean waters around Aotearoa (up to marine heatwave conditions) and farther north into the Coral Sea. That itself is partly related to the ongoing La Niña event in the tropical Pacific, which tends to pile up warm water (and tropical cyclones) in the west. But it is also related to ongoing global warming. As sea temperatures increase, it becomes easier to reach heatwave conditions. Warmer seas load the atmosphere with water vapour. Partly, too, the air over the North Island has been unusually “unstable” lately, very warm near ground level but cooler than normal higher up. That makes the buoyance in thunderstorms work even better and more strongly, encouraging very heavy rainfall. These conditions seem to have eased now, but severe thunderstorms continue to develop. As we move from summer into autumn, as the warmest seas move eastwards away from us and as La Niña fades in the tropics, the chances of a repeat event are diminishing. For now at least. But if we continue to warm the climate with more greenhouse gas emissions, we will continue to load the dice towards more very heavy rain over Aotearoa. Let us hope those regions and communities so badly affected by recent events have a chance to dry out, rebuild and recover before the next extreme weather. This article originally appeared on <a href="https://theconversation.com/floods-cyclones-thunderstorms-is-climate-change-to-blame-for-new-zealands-summer-of-extreme-weather-201161" target="_blank" rel="noopener">The Conversation</a>. Images: Getty

Travel Trouble

Can ideology-detecting algorithms catch online extremism before it takes hold?

Ideology has always been a critical element in understanding how we view the world, form opinions and make political decisions. However, the internet has revolutionised the way opinions and ideologies spread, leading to new forms of online radicalisation. Far-right ideologies, which advocate for ultra-nationalism, racism and opposition to immigration and multiculturalism, have proliferated on social platforms. These ideologies have strong links with violence and terrorism. In recent years, <a href="https://www.asio.gov.au/sites/default/files/2022-02/ASIO_Annual_Report_2020-21.pdf">as much as 40%</a> of the caseload of the Australian Security Intelligence Organisation (ASIO) was related to far-right extremism. This has <a href="https://www.abc.net.au/news/2023-02-13/right-wing-terror-threat-declines-says-asio/101965964">declined</a>, though, with the easing of COVID restrictions. Detecting online radicalisation early could help prevent far-right ideology-motivated (and potentially violent) activity. To this end, we have developed a <a href="https://arxiv.org/abs/2208.04097">completely automatic system</a> that can determine the ideology of social media users based on what they do online. <h2>How it works</h2> Our proposed pipeline is based on detecting the signals of ideology from people’s online behaviour. There is no way to directly observe a person’s ideology. However, researchers can observe “ideological proxies” such as the use of political hashtags, retweeting politicians and following political parties. But using ideological proxies requires a lot of work: you need experts to understand and label the relationships between proxies and ideology. This can be expensive and time-consuming. What’s more, online behaviour and contexts change between countries and social platforms. They also shift rapidly over time. This means even more work to keep your ideological proxies up to date and relevant. <h2>You are what you post</h2> Our pipeline simplifies this process and makes it automatic. It has two main components: a “media proxy”, which determines ideology via links to media, and an “inference architecture”, which helps us determine the ideology of people who don’t post links to media. The media proxy measures the ideological leaning of an account by tracking which media sites it posts links to. Posting links to Fox News would indicate someone is more likely to lean right, for example, while linking to the Guardian indicates a leftward tendency. To categorise the media sites users link to, we took the left-right ratings for a wide range of news sites from two datasets (though many are available). One was <a href="https://reutersinstitute.politics.ox.ac.uk/our-research/digital-news-report-2018">based on a Reuters survey</a> and the other curated by experts at <a href="https://www.allsides.com/media-bias/ratings">Allsides.com</a>. This works well for people who post links to media sites. However, most people don’t do that very often. So what do we do about them? That’s where the inference architecture comes in. In our pipeline, we determine how ideologically similar people are to one another with three measures: the kind of language they use, the hashtags they use, and the other users whose content they reshare. Measuring similarity in hashtags and resharing is relatively straightforward, but such signals are not always available. Language use is the key: it is always present, and a known indicator of people’s latent psychological states. Using machine-learning techniques we found that people with different ideologies use different kinds of language. Right-leaning individuals tend to use moral language relating to vice (for example, harm, cheating, betrayal, subversion and degradation), as opposed to virtue (care, fairness, loyalty, authority and sanctity), more than left-leaning individuals. Far-right individuals use grievance language (involving violence, hate and paranoia) significantly more than moderates. By detecting these signals of ideology, our pipeline can identify and understand the psychological and social characteristics of extreme individuals and communities. <h2>What’s next?</h2> The ideology detection pipeline could be a crucial tool for understanding the spread of far-right ideologies and preventing violence and terrorism. By detecting signals of ideology from user behaviour online, the pipeline serves as an early warning systems for extreme ideology-motivated activity. It can provide law enforcement with methods to flag users for investigation and intervene before radicalisation takes hold. Image credits: Getty Images This article originally appeared on <a href="https://theconversation.com/can-ideology-detecting-algorithms-catch-online-extremism-before-it-takes-hold-200629" target="_blank" rel="noopener">The Conversation</a>.

Technology

Does Australia need new laws to combat right-wing extremism?

At the <a href="https://www.youtube.com/watch?v=EH2IUKaWXKw" target="_blank" rel="noopener">National Press Club</a>, Home Affairs Minister Clare O’Neil flagged that Labor would propose <a href="https://www.theguardian.com/australia-news/2022/dec/08/clare-oneill-warns-counter-terror-laws-may-need-to-change-to-better-handle-rightwing-extremism" target="_blank" rel="noopener">changes to Australia’s counter-terrorism laws</a>. She cited an increase in diverse threats beyond religious fundamentalism, a trend towards lone-actor, low-sophistication attacks, and more <a href="https://www.aspistrategist.org.au/asio-chief-flags-alarming-increase-in-children-lured-to-extremism/" target="_blank" rel="noopener">younger people being radicalised</a>. Specifically, she referred to the threat of right-wing extremism, which in 2021 was <a href="https://www.canberratimes.com.au/story/7269257/ideologically-motivated-terror-now-taking-up-half-of-asio-work/" target="_blank" rel="noopener">approaching 50% of ASIO’s caseload</a>. She did not suggest the laws will be “<a href="https://www.theguardian.com/australia-news/2022/dec/08/clare-oneill-warns-counter-terror-laws-may-need-to-change-to-better-handle-rightwing-extremism" target="_blank" rel="noopener">overhauled</a>”. However, O'Neil hinted that changes to criminal law could target specific ways that extreme right-wing groups organise themselves compared to groups such as al-Qaeda or Islamic State. Since the September 11 terrorist attacks, Australia has enacted at least 96 counter-terrorism laws, amounting to <a href="https://law.unimelb.edu.au/__data/assets/pdf_file/0009/4287735/02-Hardy-and-Williams-34.pdf" target="_blank" rel="noopener">more than 5,500 pages of legislation</a>. So do we need any more laws, or changes to existing laws, to combat right-wing terrorism? <h2>Australia’s counter-terrorism laws</h2> Australia has the <a href="https://theconversation.com/before-9-11-australia-had-no-counter-terrorism-laws-now-we-have-92-but-are-we-safer-166273" target="_blank" rel="noopener">largest collection of counter-terrorism laws</a> in the world. This reflects a strong belief in legality: that powers and offences should be written into the statute books and not be left to arbitrary executive power. But it also shows how readily Australian governments have responded to evolving threats with ever-increasing powers. Our counter-terrorism laws contain countless criminal offences and powers of surveillance, interrogation and detention. As an example, a <a href="https://theconversation.com/control-orders-for-kids-wont-make-us-any-safer-49074" target="_blank" rel="noopener">control order</a> can require a child as young as 14 to obey a curfew and wear an electronic monitoring bracelet to protect the public from a terrorist act or prevent support for terrorism. Most of the offences and powers rely on a broad statutory definition of terrorism. A “terrorist act” means harmful conduct or a threat that aims to: (1) advance a political, religious or ideological cause; and (2) intimidate a government or section of the public. Importantly, this definition is ideologically neutral – as are all the laws. They do not mention Islamist or right-wing terrorism. The laws apply equally to these and other terror threats, no matter the ideology. A white supremacist who prepares or commits a terrorist act faces life imprisonment in the same way as a religious fundamentalist. <h2>What changes might be made?</h2> We won’t know the details of Labor’s proposed changes until next year. The government might ask parliament to tweak the definition of a “terrorist organisation” in Division 102 of the federal <a href="http://www5.austlii.edu.au/au/legis/cth/consol_act/cca1995115/sch1.html" target="_blank" rel="noopener">Criminal Code</a>. A terrorist organisation is one that is directly or indirectly preparing a terrorist act (or that advocates a terrorist act). Various offences stem from this definition. It is a crime, for example, to recruit for a terrorist organisation or be a member of one. The Australian government maintains a <a href="https://www.nationalsecurity.gov.au/what-australia-is-doing/terrorist-organisations/listed-terrorist-organisations" target="_blank" rel="noopener">list of proscribed (banned) terrorist organisations</a>. Of the 29 currently listed, only three adhere to far-right ideology. This reflects a longer history of Islamist terrorism, though Australia has also <a href="https://www.themandarin.com.au/176216-australia-catching-up-with-proscription-of-far-right-groups/" target="_blank" rel="noopener">lagged our closest allies</a> in banning right-wing extremist groups. Some features of these groups can make banning them difficult. Their membership structures, ideological demands and support for violence can be less clear compared to groups like al-Qaeda and Islamic State, which have committed and encouraged terrorist acts all around the world. Right-wing extremist groups <a href="https://www.theguardian.com/australia-news/2019/jan/05/far-right-and-anti-racism-groups-face-off-in-melbourne-flashpoint" target="_blank" rel="noopener">hold divisive rallies</a>, <a href="https://www.smh.com.au/national/the-far-right-are-capable-recruiters-and-have-found-fertile-ground-thanks-to-covid-20210921-p58tn7.html" target="_blank" rel="noopener">exploit protests</a>, spread racist sentiment and encourage hatred against minorities – but most of these acts do not constitute terrorism. Expanding the definition of a terrorist organisation could capture right-wing extremist groups that are dangerous to society but do not obviously engage in or support terrorist acts. Another possibility is that Labor could seek to ban Nazi and other hate symbols that such groups commonly use. New legislation in Victoria, which comes into force at the end of this month, makes it an <a href="https://content.legislation.vic.gov.au/sites/default/files/2022-06/591323bs1.pdf" target="_blank" rel="noopener">offence</a> punishable by 12 months’ imprisonment to publicly display the Nazi swastika (Hakenkreuz). The state offence will not apply to the <a href="https://www.adl.org/resources/hate-symbols/search" target="_blank" rel="noopener">hundreds of hate symbols used by right-wing extremists</a>, but it sends an important message that neo-Nazi ideology holds no place in Australian society. It provides a legal mechanism to counter threats of right-wing extremism in a way that the federal counter-terrorism laws currently do not. <h2>Are changes needed?</h2> Australia’s counter-terrorism laws are already extensive and apply to all types of terrorism, so no obvious strategic gaps need to be filled. If a criminal offence or power is needed to combat terrorism, Australia already has it and more. Minor changes to Division 102 could target specific features of right-wing extremism compared to Islamist terrorism. Federal laws could supplement emerging state laws by outlawing hateful symbols used by right-wing extremists and other terrorist groups. However, <a href="https://www.abc.net.au/news/2021-03-28/banned-neo-nazi-groups-set-sights-on-australia/100030072" target="_blank" rel="noopener">more right-wing groups</a> could be proscribed under the laws as they currently stand. Decisive action to ban internationally recognised right-wing extremist groups, combined with a national inquiry into hate crime law and its <a href="https://tacklinghate.org/blogs/new-research-defining-and-identifying-hate-motives-bias-indicators-for-the-australian-context/" target="_blank" rel="noopener">reporting</a>, would send a strong message. Australia’s extensive counter-terrorism laws need not be further expanded. This article originally appeared on <a href="https://theconversation.com/does-australia-need-new-laws-to-combat-right-wing-extremism-196219" target="_blank" rel="noopener">The Conversation</a>. Image: Twitter

Legal

Disabled woman slams Jetstar for “extremely humiliating” treatment

A woman has said she was humiliated at the end of her flight after Jetstar staff couldn’t provide her with a wheelchair for her, forcing her to leave the plane by crawling. Natalie Curtis has been in a wheelchair since high school but said she has never been as humiliated as she was left to crawl to her wheelchair after flying from Singapore to Bangkok. While she was provided a standard “aisle” wheelchair to board the plane, Ms Curtis was told she would have to pay to use another chair to get off the plane - a service which is usually free. “I didn’t really comprehend it and I was like, ‘No, I’m not paying to be able to get off this plane’,” Ms Curtis told Sunrise. With her friend Natasha Elford unable to carry her due to a knee injury, Ms Curtis crawled on the floor past eight rows until she could reach her chair. “It was extremely humiliating,” she said. Ms Elford said she was in shock while watching the ordeal and that she was “absolutely gutted”. “I was like, ‘Is this actually happening?’” she told the program on Monday. “I couldn’t physically lift her so I felt really hopeless and I couldn’t believe this was really happening.” She added that she tried to find out if a wheelchair could be fast tracked to Ms Curtis, but said the flight attendants “didn’t really try to do anything”. <iframe style="border: none; overflow: hidden;" src="https://www.facebook.com/plugins/post.php?href=https%3A%2F%2Fwww.facebook.com%2Fnatalie.hodges.50%2Fposts%2Fpfbid0ewJHd3156WaV46vd8LHJWCwLrxBQraSgSfAP1dZqcfPc47oo4WkNmCj7VWjda6Rl&show_text=true&width=500" width="500" height="393" frameborder="0" scrolling="no" allowfullscreen="allowfullscreen"></iframe> A spokesperson for the budget airline said Jetstar had sincerely apologised to Ms Curtis and had offered her a refund and additional compensation. “We unreservedly apologise to Ms Curtis for her recent experience while travelling with us,” they said. “We are committed to providing a safe and comfortable travel experience for all our customers, including those requiring specific assistance.” The spokesperson added that Jetstar staff don’t charge for using a wheelchair, and that an inquiry into the incident had found a language barrier led to the miscommunication of a fee. “At no point was an aisle chair withheld due to a request for payment,” they said. Ms Curtis isn’t the only person to have experienced such an incident over wheelchair use, and her experience comes as disability advocates call for a complete overhaul of the treatment of passengers by airlines. In August, Brad Wszola had to be carried by his wife and a staff member over the gap between the air bridge and the Jetstar plane he was trying to board to fly from Darwin to Cairns, per <a href="https://www.theguardian.com/society/2022/oct/06/second-class-citizen-man-lifted-on-to-plane-as-darwin-airport-had-no-ramp-for-wheelchair-users" target="_blank" rel="noopener">The Guardian</a>. “Watching these people having to lift me, to bend down, Jen had to bend down below the level of the floor of the plane, bend over and grab the bottom of the aisle chair to lift me … That put myself at risk, also the staff at risk and Jenny at risk,” Mr Wszola said. “She was the one helping lift me into the plane.” Mr Wszola even encountered issues prior to leaving Darwin, with his wheelchair being sent to the baggage carousel rather than the air bridge on his arrival. After his wife made multiple requests via email to Darwin airport and Jetstar, she was told a ramp wasn’t provided to bridge the gap as it was a low-cost airline - but a ramp has since been provided to the airport after The Guardian contacted Jetstar. <blockquote class="twitter-tweet"> Just made a cute little video about how <a href="https://twitter.com/Qantas?ref_src=twsrc%5Etfw">@Qantas</a> broke my wheelchair and won’t fix it 🙃🙃🙃🙃 <a href="https://t.co/CnFXazJ1ox">pic.twitter.com/CnFXazJ1ox</a> — Zoe Simmons | she/her (@ItbeginswithZ) <a href="https://twitter.com/ItbeginswithZ/status/1577502974796247041?ref_src=twsrc%5Etfw">October 5, 2022</a></blockquote> Earlier this month, Qantas reversed its decision not to refund Zoe Simmons, whose wheelchair was damaged on a flight from Sydney to Canberaa, after she took her complaints to social media. In a column for <a href="https://www.news.com.au/travel/travel-advice/flights/disability-advocate-lashes-qantas-over-broken-wheelchair/news-story/72ae759ca7960ab607610c5ebd6c8bca" target="_blank" rel="noopener">news.com.au</a>, Simmons explained that damage to her chair brakes had left it “unusable” and was initially told Qantas wouldn’t reimburse her or repair her chair, which she needs as someone living with the nerve disorder fibromyalgia. “I am so angry that this is how wheelchair users are treated by airlines, over and over. And it’s not just Qantas: it’s a systemic issue, because the system is so very broken,” she wrote. With the airline reaching out to apologise and offering to pay for her wheelchair repairs, Simmons questioned whether she would have received such a response if she hadn’t taken matters into her own hands. “I wonder: would this resolution have occurred, had I not made a fuss about it?” she wrote. “I shouldn’t have to hope to be an exception to the norm. The norm should be that disabled people are looked after, treated well, and able to get the same resolution I’ve been able to get here.” Image: Sunrise

Travel Trouble

"Extremely serious": 70-year-old pilot's lucky escape

A man has been fortunate enough to walk away from a light plane crash with minor injuries. The plane crash happened at an airport on the New South Wales Central Coast, the plane fell straight into some trees near the runway of Warnervale Airport at around 11am. The pilot, a man in his 70s, was treated for a hand injury and taken to hospital. According to NSW Ambulance Inspector Andrew Craig, road crews which included off-duty paramedics were nearby and rushed to the scene. “When we arrived, the aircraft had crashed into trees, landing on its roof,” he said. “The pilot has been incredibly lucky to walk away from the crash with minor injuries. "Our paramedics know that incidents involving aircraft can be extremely serious and it's a relief the man involved today was not badly injured.” Warnervale Airport is roughly 100km away from Sydney. Images: NSW Ambulance

Travel Trouble

Extreme measures for family of five as rental crisis worsens

As Australia's rental crisis worsens, a family of five on the Gold Coast are being forced to share a single motel room. Alexi Bennett and her children have been rejected from more than 200 rental applications after their previous landlord didn't resign their lease. It's been three months since the family have lived comfortably and Bennett said she struggles daily with guilt as she faces "one of the hardest" moments of her life. It's costing the family $850 a week to share the single room amid a lack of available rental properties. "You're supposed to be providing for your children and, when you can't, the guilt - it really hits, it really hits hard to be honest," she told <a href="https://www.9news.com.au/national/gold-coast-family-of-five-forced-to-share-single-motel-room-amid-australias-rental-crisis/6fbeed47-59cb-4b3a-8bad-f6b31e818629" target="_blank" rel="noopener">Today</a>, holding her six-week-old baby. "It's meant to be the happiest time of your life and, you know, at this point in time it's one of the hardest and yeah, pretty sad, to be honest." Alexi said there's "not many options left" for her family as the "competition is crazy" for rental properties. "I've got to do what's best for my kids and, yeah, this is it at the moment." "You just got to stay positive and hope for the best and just keep trying, every day is a new day." "That is all I can keep telling myself and just stay positive." According to Ray White chief economist Nerida Conisbee, advertised rents are reflecting a 13.6 per cent price increase, as demand also continues to rise at an exponential level. Image credits: Nine News

Real Estate

Elderly resident rescued from a potentially fatal flooding incident

A 72-year-old woman has been rescued from her car with only moments to spare after she was swept off the road and trapped in neck-deep flood water during an extreme weather event. Police responded to the elderly woman's triple zero call around 2:30 pm on Wednesday the 6th of July, after a flooded rural crossing in Collombatti, north of Kempsey on the NSW mid-north coast, swept her car downstream and wedged it in a line of trees. In the panicked call she said she was trapped inside the car with water up to her chest. A sergeant from Mid North Coast Police District used a 4WD winch cable as a safety line before entering the floodwater to find the vehicle. The officer, with the help of five other police, opened the woman's car door as water began to reach her neck, this incident could've been fatal. It is believed she was trapped in the car for about 45 minutes. She was then taken to the Kempsey Hospital where she was treated for hypothermia and exhaustion. The officers were not injured during the incident and the command is considering recommending all officers to be recognised for their efforts. About 60,000 people are still feeling the threat of widespread flooding in the Sydney, Hunter and mid-north coast regions following a week-long rain event. Image: NSW Police

News

The 10 most extreme travel adventures in the world

<div class="slide-image" style="box-sizing: border-box; border: 0px; font-family: Raleway, sans-serif, Arial; font-size: 16px; font-style: normal; font-weight: 400; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline; color: #444444; font-variant-ligatures: normal; font-variant-caps: normal; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"> </div> <h4>1. The steepest peak on Earth: Mount Thor, Nunavut, Canada</h4> At 1675 metres tall, Mount Thor is not the world’s highest peak, but it is the steepest. The most famous summit in Canada and made of pure granite, Mount Thor has a 1250 metre vertical drop, at an average angle of about 105 degrees. Despite the fact the mountain is in a remote area, it’s a popular destination for avid mountain climbers. If taking on the peak is too much for you to handle, you can also visit the site and camp out instead. 2. The coldest inhabited place on Earth: Oymyakon, Russia As the coldest inhabited place on earth (with a recorded temperature of -71.2 degrees Celsius in 1924), the small Russian town of Oymyakon, with a population of 500, was once only used as a location for political exiles. Winter temperatures average at about -50 degrees Celsius, which has a serious effect on body function. The ground is permanently frozen all year long and the town currently has only one hotel. Popular sports include skiing, ice hockey and ice fishing. 3. The driest place on Earth: Atacama Desert, Chile You’ll definitely need the right kind of sunscreen if you plan on travelling through this desert. According to both NASA and National Geographic, the Atacama Desert in Chile has soil comparable to that of Mars. (Fun fact: Mars scenes from the television series Space Odyssey: Voyage to The Planets were filmed here.) From October 1903 to January 1918, the Atacama Desert did not see so much as one drop of rain, making it the longest rainless period in the world’s recorded history. Sparsely populated, the Atacama Desert has several hotels to choose from that cater to tourists who come to explore the land. <h4>4. The closest place to outer space: Mount Chimborazo</h4> Most humans will never visit outer space, so our two best options for doing so are taking a virtual tour of the International Space Station or going to Mount Chimborazo. An inactive volcano that last erupted in approximately 550 CE, Mount Chimborazo stands at over 6096 metres high. While Mount Everest is over 8839 metres tall, due to the position of the mountain on the earth’s surface the peak of Mount Chimborazo is the furthest spot from the centre of the earth. That also means that standing on it will put you closest to outer space than man can ever reach on foot. Its peak is completely covered by glaciers, but this mountain has several routes for climbers. 5. The hottest place on Earth: Lut Desert, Iran Here, temperatures soar as high as 70 degrees Celsius, so it’s important to have a game plan for staying cool and avoiding heat stroke. According to a local legend, the name Dasht-e Lut means ‘toasted wheat’ in Persian, referencing a story about a load of wheat that burst into flames after being accidentally left out in the desert for a few days. Though tourists visit this desert land, it’s a destination only for those willing to take on the challenge of surviving the heat and the unbearably dry climate. 6. The most isolated place on Earth: Tristan da Cunha, United Kingdom Looking for a getaway from the everyday? Forget these popular island getaways; this is about as far away from it as you can get. Though formally part of the British Overseas Territory, Tristan da Cunha is over 2816 kilometres away from the nearest land in Africa. Discovered by Portuguese explorer Tristão da Cunha in 1506, the island is home to fewer than 300 inhabitants and has no airport; Tristan da Cunha is accessible only by sea. 7. The coldest continent on Earth: Antarctica With a population estimated at somewhere between 1000 and 4000 people, the world’s fifth largest continent is a land of extremes, the coldest and driest continent on the planet. Travellers can only reach it by ice-strengthened vessels made for toughing the rough seas. Though known for its breath-taking scenery, visitors who trek through the wilderness must be well-prepared or accompanied by a tour operator who knows the area well. 8. The wettest place on Earth: Mawsynram, India This Indian town receives an average of 11 metres of rainfall every year. In 1985, the Guinness Book of World Records dubbed it the Wettest Place on Earth after it saw 25 metres of rain in a single year. Plagued by a subtropical climate and monsoons, Mawsynram is both a difficult place to live and an interesting trip for tourists. 9. The tallest waterfall in the world: Angel Falls, Venezuela Although Angel Falls is located in an isolated jungle region and is not reached all that easily, it remains one of Venezuela’s top tourist attractions, and the pictures make it easy to see why. The falls are approximately 979 metres high and includes a 807 metre plunge and a 402 metres of sloped cascades and rapids. 10. The most treacherous waters on Earth: Gansbaai, South Africa Since 1995, cage diving with Great White sharks has been a major tourist attraction in Gansbaai, South Africa. With one of the densest populations of these beasts in the world, Gansbaai is the top destination for an up-close view of the deadly creatures. If you want to play it safe and steer clear of the Great Whites, whale watching is also common in Gansbaai, from the sandy white shores of Pearly Beach. This article originally appeared on<a href="https://www.readersdigest.com.au/travel/the-10-most-extreme-travel-adventures-in-the-world" target="_blank" rel="noopener"> Reader's Digest</a>. <div class="slide-image" style="box-sizing: border-box; border: 0px; font-family: Raleway, sans-serif, Arial; font-size: 16px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline; color: #444444;"> </div> <div class="slide-image" style="box-sizing: border-box; border: 0px; font-family: Raleway, sans-serif, Arial; font-size: 16px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline; color: #444444;"> </div> <div class="slide-image" style="box-sizing: border-box; border: 0px; font-family: Raleway, sans-serif, Arial; font-size: 16px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline; color: #444444;"> </div> <div class="slide-image" style="box-sizing: border-box; border: 0px; font-family: Raleway, sans-serif, Arial; font-size: 16px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline; color: #444444;"> </div> <div class="slide-image" style="box-sizing: border-box; border: 0px; font-family: Raleway, sans-serif, Arial; font-size: 16px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline; color: #444444;"> </div> <div class="slide-image" style="box-sizing: border-box; border: 0px; font-family: Raleway, sans-serif, Arial; font-size: 16px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline; color: #444444;"> </div> <div class="slide-image" style="box-sizing: border-box; border: 0px; font-family: Raleway, sans-serif, Arial; font-size: 16px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline; color: #444444;"> </div>

Travel Tips

Sydney thrown into chaos by extreme floods

In just 24 hours, Sydney has been thrown into chaos by bouts of heavy rain, leading to extreme flooding all through the city. Residents woke up to road closures, flooding homes and rising water levels, with an extreme weather warning continuing to linger. Suburbs in Sydney's southwest were ordered to evacuate overnight, with public transport delays and cancellations affecting the whole city. The Bureau of Meteorology predicts another day of heavy rainfall and damaging winds, with severe weather warnings issued for parts of the Hunter, Metropolitan Sydney, Illawarra, south coast, Central Tablelands, Southern Tablelands and parts of Mid North Coast, South West Slopes, Snowy Mountains and Australian Capital Territory. The damage has been widespread, with the M5 Citybound tunnel flooding and closing as a result. <blockquote class="twitter-tweet"> Sydney M5 tunnel has become Venice. Travel safe everyone <a href="https://twitter.com/hashtag/sydneyflood?src=hash&ref_src=twsrc%5Etfw">#sydneyflood</a> <a href="https://t.co/yWq871iA9k">pic.twitter.com/yWq871iA9k</a> — Shan (@shanshanw) <a href="https://twitter.com/shanshanw/status/1501053311902183426?ref_src=twsrc%5Etfw">March 8, 2022</a></blockquote> Meanwhile in the eastern suburbs, a portion of the ceiling at Bondi Junction Westfield collapsed, narrowly missing unsuspecting shoppers. Footage shared by ABC journalist James Valentine showed chunks of the ceiling on the escalators however no shoppers appeared to be hurt or injured. <blockquote class="twitter-tweet"> This collapsing ceiling at Westfield Bondi Junction, missed me by two metres! <a href="https://t.co/pyxBF1YXIS">pic.twitter.com/pyxBF1YXIS</a> — James Valentine (@Valentine702) <a href="https://twitter.com/Valentine702/status/1501025638089592837?ref_src=twsrc%5Etfw">March 8, 2022</a></blockquote> In Sydney's south, entire roads near Bankstown were underwater, preventing travellers from getting home and out of the wild weather. The water from Georges River spread quickly, inundating parked cars with water. <blockquote class="twitter-tweet"> Western Sydney Floods ( very rare that floods happen in this part ) <a href="https://t.co/IB42cFz6Nb">pic.twitter.com/IB42cFz6Nb</a> — @Georgebakhos1 (@GeorgeBakhos1) <a href="https://twitter.com/GeorgeBakhos1/status/1500818701859553290?ref_src=twsrc%5Etfw">March 7, 2022</a></blockquote> In the inner west suburb of Rhodes, flood waters tore through homes and wrecked furniture, while firefighters were called to help. They turned off the power supply to the homes, removed compromised power boards and helped residents to bail out as much water as they could. <blockquote class="twitter-tweet"> We are flooding in Condell Park <a href="https://twitter.com/hashtag/NSW?src=hash&ref_src=twsrc%5Etfw">#NSW</a> and SES are not picking up and the water is inside now all over the house!<a href="https://twitter.com/NSWSES?ref_src=twsrc%5Etfw">@NSWSES</a> <a href="https://twitter.com/7NewsSydney?ref_src=twsrc%5Etfw">@7NewsSydney</a> <a href="https://twitter.com/9NewsAUS?ref_src=twsrc%5Etfw">@9NewsAUS</a> <a href="https://twitter.com/abcnews?ref_src=twsrc%5Etfw">@abcnews</a> <a href="https://twitter.com/BOM_NSW?ref_src=twsrc%5Etfw">@BOM_NSW</a> <a href="https://twitter.com/SBSNews?ref_src=twsrc%5Etfw">@SBSNews</a> <a href="https://twitter.com/hashtag/NSWFloods?src=hash&ref_src=twsrc%5Etfw">#NSWFloods</a> <a href="https://twitter.com/hashtag/NSW?src=hash&ref_src=twsrc%5Etfw">#NSW</a> <a href="https://twitter.com/hashtag/floods?src=hash&ref_src=twsrc%5Etfw">#floods</a> <a href="https://twitter.com/hashtag/sydneyfloods?src=hash&ref_src=twsrc%5Etfw">#sydneyfloods</a> <a href="https://twitter.com/hashtag/sydney?src=hash&ref_src=twsrc%5Etfw">#sydney</a> <a href="https://t.co/OM1mco0lXn">pic.twitter.com/OM1mco0lXn</a> — Nasem Allam (@nasemallam) <a href="https://twitter.com/nasemallam/status/1500761403472617480?ref_src=twsrc%5Etfw">March 7, 2022</a></blockquote> <blockquote class="twitter-tweet"> This is about a 7 minute drive from my place. Taken from a FB group. I’ve never seen flooding like this near me in Sydney. <a href="https://twitter.com/hashtag/sydneyflood?src=hash&ref_src=twsrc%5Etfw">#sydneyflood</a> <a href="https://t.co/WlFRO5ljM3">pic.twitter.com/WlFRO5ljM3</a> — Claudia Zappia 🩰🎭🎧🎤❤️‍🩹 (@Claudia_Zappia) <a href="https://twitter.com/Claudia_Zappia/status/1500983335761235969?ref_src=twsrc%5Etfw">March 7, 2022</a></blockquote> Tragically, two lives have been lost from the floods, as police located two bodies in a stormwater canal in Sydney's western suburb of Wentworthville. The flood warnings remain in place, according to the Bureau of Meteorology, with authorities warning residents not to make any non-essential trips, and to stay out of dangerous flood waters. Image credits: Facebook / Twitter

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‘One of the most extreme disasters in colonial Australian history’

The deluge dumped on southeast Queensland and northern New South Wales this week has been catastrophic. Floodwaters peaked at around 14.4 metres high in Lismore – two metres higher than the city’s previous record. So how does this compare to Australia’s previous floods, such as in 2011? And can we expect more frequent floods at this scale under climate change? The answers to questions like these aren’t straightforward. Climate change doesn’t tell the whole story, as extreme rainfall can occur for a <a href="https://theconversation.com/like-rivers-in-the-sky-the-weather-system-bringing-floods-to-queensland-will-become-more-likely-under-climate-change-176711">variety of reasons</a>. What’s more, it’s too soon to officially state whether this event is directly linked to climate change, as this would require a formal event attribution study. This can take months or years to produce. In any case, we do know extreme events like this will occur more frequently in a warmer world. And the rising death toll, ongoing evacuations and destroyed homes make this one of the most extreme natural disasters in colonial Australian history. How this compares to floods in our past The east coast is a common place for heavy rainfall and flooding. The Yugara and Yugarabul people have <a href="https://www.oxleycreekcatchment.org.au/history/">traditional stories about great floods</a> in the Brisbane river region long before European colonisation, and sediments from floodplains indicate floods as severe as those in 2010–2011 have occurred <a href="https://theconversation.com/old-floods-show-brisbanes-next-big-wet-might-be-closer-than-we-think-70392">at least seven times in the past 1,000 years</a>. Instrumental records and <a href="https://www.slq.qld.gov.au/blog/overview-brisbane-river-floods">documentary accounts</a> show severe floods have inundated southern Queensland’s cities and towns in the 1820s, early 1840s and 1890s, 1931, 1974 and, of course, in 2010–2011. Each of these events have been devastating, and record-breaking, depending on which records you’re interested in. The floods in 1841 and 1893 are considered highest in terms of <a href="https://www.abc.net.au/news/2021-01-16/brisbane-flood-history-should-not-take-people-by-surprise/13051826">water levels recorded in Brisbane city</a>, reaching over 8m. Australia’s wettest day on record was also recorded in 1893, when Crohamhurst in the Glasshouse Mountains measured 907 millimetres in one day. <figure class="align-center "><img src="https://images.theconversation.com/files/449172/original/file-20220301-4202-1lwf5fm.jpeg?ixlib=rb-1.1.0&q=45&auto=format&w=754&fit=clip" sizes="(min-width: 1466px) 754px, (max-width: 599px) 100vw, (min-width: 600px) 600px, 237px" srcset="https://images.theconversation.com/files/449172/original/file-20220301-4202-1lwf5fm.jpeg?ixlib=rb-1.1.0&q=45&auto=format&w=600&h=402&fit=crop&dpr=1 600w, https://images.theconversation.com/files/449172/original/file-20220301-4202-1lwf5fm.jpeg?ixlib=rb-1.1.0&q=30&auto=format&w=600&h=402&fit=crop&dpr=2 1200w, https://images.theconversation.com/files/449172/original/file-20220301-4202-1lwf5fm.jpeg?ixlib=rb-1.1.0&q=15&auto=format&w=600&h=402&fit=crop&dpr=3 1800w, https://images.theconversation.com/files/449172/original/file-20220301-4202-1lwf5fm.jpeg?ixlib=rb-1.1.0&q=45&auto=format&w=754&h=505&fit=crop&dpr=1 754w, https://images.theconversation.com/files/449172/original/file-20220301-4202-1lwf5fm.jpeg?ixlib=rb-1.1.0&q=30&auto=format&w=754&h=505&fit=crop&dpr=2 1508w, https://images.theconversation.com/files/449172/original/file-20220301-4202-1lwf5fm.jpeg?ixlib=rb-1.1.0&q=15&auto=format&w=754&h=505&fit=crop&dpr=3 2262w" alt="Black and white image of men in a small boat in front of a tall brick building that is half submerged in flood water. The building had 'West End Brewery' written on it" /><figcaption>The West End Brewery in Brisbane in 1890. The Brewery building was damaged even further in the 1893 flood, when the Brisbane River rose 10 feet above the 1890 record. John Oxley Library, State Library of Queensland</figcaption></figure> The 1974 event was associated with extreme rainfall totals in many coastal areas, including 314mm in one day in Brisbane, and more than a metre of rainfall was recorded over three days in places such as Mount Tamborine and the northwest of Surfers Paradise. The 2010–11 flood, while not as severe in terms of extreme rainfall totals, <a href="http://www.bom.gov.au/climate/current/statements/scs24b.pdf">was notable for its inland extent</a>, and was the final act of Australia’s wettest July to December on record. The current flood has peaked at 3.85m in Brisbane, below the 2010–2011 levels of 4.46m. But it’s breaking records in other areas such as Lismore in northern NSW. The rainfall statistics associated with this event are also nearing the highest on record for many places, possibly due to the slow-moving nature of the associated weather system. Four of the top six highest rainfall totals in NSW were <a href="https://www.weatherzone.com.au/news/second-heaviest-daily-rainfall-ever-observed-in-nsw/536322">recorded on 28 February</a>, and Brisbane has just experienced three days of over 200mm. These aren’t the highest daily totals ever recorded in the city, but the first time three days of such intense falls have been documented, in data that go back to 1841. Disentangling the role of climate change When it comes to understanding the role of human-induced climate change in extreme events, there is the temptation to ask the wrong question: “did climate change cause this event?” Since any extreme event is always a manifestation of climate variability, large weather systems, local-scale weather and climate change, it’s impossible to categorically answer this question with a simple “yes” or “no”. Instead, the question we should be asking is “did climate change contribute to this event?” Well, firstly, there has actually been a slight decrease in summer rainfall in southeast Queensland and northeast NSW since the mid-20th century. But, there’s very high variability in rainfall for this region, and La Niña – a natural climate phenonenon associated with wetter weather – often brings flooding to this area, as we saw in 2010/2011 and in the 1970s. <figure class="align-center zoomable"><a href="https://images.theconversation.com/files/449171/original/file-20220301-15-1h65whn.png?ixlib=rb-1.1.0&q=45&auto=format&w=1000&fit=clip"><img src="https://images.theconversation.com/files/449171/original/file-20220301-15-1h65whn.png?ixlib=rb-1.1.0&q=45&auto=format&w=754&fit=clip" sizes="(min-width: 1466px) 754px, (max-width: 599px) 100vw, (min-width: 600px) 600px, 237px" srcset="https://images.theconversation.com/files/449171/original/file-20220301-15-1h65whn.png?ixlib=rb-1.1.0&q=45&auto=format&w=600&h=424&fit=crop&dpr=1 600w, https://images.theconversation.com/files/449171/original/file-20220301-15-1h65whn.png?ixlib=rb-1.1.0&q=30&auto=format&w=600&h=424&fit=crop&dpr=2 1200w, https://images.theconversation.com/files/449171/original/file-20220301-15-1h65whn.png?ixlib=rb-1.1.0&q=15&auto=format&w=600&h=424&fit=crop&dpr=3 1800w, https://images.theconversation.com/files/449171/original/file-20220301-15-1h65whn.png?ixlib=rb-1.1.0&q=45&auto=format&w=754&h=533&fit=crop&dpr=1 754w, https://images.theconversation.com/files/449171/original/file-20220301-15-1h65whn.png?ixlib=rb-1.1.0&q=30&auto=format&w=754&h=533&fit=crop&dpr=2 1508w, https://images.theconversation.com/files/449171/original/file-20220301-15-1h65whn.png?ixlib=rb-1.1.0&q=15&auto=format&w=754&h=533&fit=crop&dpr=3 2262w" alt="" /></a><figcaption>Trends in maximum 3-day rainfall in summer (December-February) from 1959/1960 to 2019/2020 show mixed trends in the flood-affected region. White areas are where station coverage is sparse or the dataset fails a quality control test. Author provided</figcaption></figure> Indeed, the effect of La Niña (and its counterpart El Niño, associated with drier weather) makes identifying a climate change-related trend more difficult. In other words, while a human-induced climate change signal may be present, the naturally high variability makes it hard to spot. The atmosphere can hold approximately 7% more moisture for every degree Celsius of global warming. However, we also need the right weather systems in place to trigger the release of moisture from the air and cause extreme rainfall. The climate change effect on these systems is uncertain. Climate change and weather systems The severity of the flooding in southeast Queensland is partly due to a weather system called an “<a href="https://theconversation.com/like-rivers-in-the-sky-the-weather-system-bringing-floods-to-queensland-will-become-more-likely-under-climate-change-176711">atmospheric river</a>” sitting over the region for days. To make matters worse, the rain fell on an already sodden ground due to both the higher-than-average rainfall from the current La Niña, and the La Niña in the 2020-2021 summer. This made a huge difference to the scale of the floods. We don’t fully understand how the persistence of these natural systems will change in future, but recent work shows climate change will cause long-lasting atmospheric rivers over Sydney to occur <a href="https://agupubs.onlinelibrary.wiley.com/doi/abs/10.1029/2021GL095335">almost twice as often</a> by the end of the 21st century. We don’t know yet if that’s also true further north of Sydney. To complicate things further, there’s <a href="https://www.carbonbrief.org/expect-twice-as-many-extreme-la-nina-events-under-climate-change-study-warns">evidence</a> to suggest climate change may be influencing the frequency, intensity and impacts of El Niño and La Niña events. <a href="https://interactive-atlas.ipcc.ch/regional-information#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">Climate change projections</a> also suggest we may see small increases in the number of extreme one-day rainfall events which typically lead to flash flooding, in eastern Australia. But there’s a lot of uncertainty. And worldwide, <a href="https://theconversation.com/mass-starvation-extinctions-disasters-the-new-ipcc-reports-grim-predictions-and-why-adaptation-efforts-are-falling-behind-176693">Monday’s report</a> from the Intergovernmental Panel on Climate Change projected that global warming of 2℃ this century will bring twice as much flood damage compared to 1.5℃ warming. This jumps to 3.9 times more flood damage at 3℃ warming. While the role of climate change is hard to pin down in Australia’s biggest floods, we know flooding often strikes our east coast. Building greater resilience to severe flooding would help lessen their impact. Taking steps like concentrating new housing and infrastructure projects in areas above flood plains would help make us less vulnerable to these events. <img style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important; text-shadow: none !important;" src="https://counter.theconversation.com/content/178153/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /> <a href="https://theconversation.com/profiles/andrew-king-103126">Andrew King</a>, Senior Lecturer in Climate Science, <a href="https://theconversation.com/institutions/the-university-of-melbourne-722">The University of Melbourne</a>; <a href="https://theconversation.com/profiles/linden-ashcroft-152419">Linden Ashcroft</a>, Lecturer in climate science and science communication, <a href="https://theconversation.com/institutions/the-university-of-melbourne-722">The University of Melbourne</a>, and <a href="https://theconversation.com/profiles/sarah-perkins-kirkpatrick-58472">Sarah Perkins-Kirkpatrick</a>, Chief Investigator on the ARC Centre of Excellence for Climate Extremes; ARC Future Fellow, <a href="https://theconversation.com/institutions/unsw-sydney-1414">UNSW Sydney</a> This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/one-of-the-most-extreme-disasters-in-colonial-australian-history-climate-scientists-on-the-floods-and-our-future-risk-178153">original article</a>.

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Your parents’ income doesn’t determine yours – unless you’re ultra rich or extremely poor

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