heatwave
Climate change could be causing a concerning uptick in the number of cockroach infestations in Spain - as well as alterations to their genetic makeup. So far this year, Spanish authorities have reported a significant rise in infestations - up by 33 per cent compared to the rate in 2023. Experts say record hot temperatures are to blame for these ‘mutant’ cockroaches. Increased heat means the pests’ metabolic cycles accelerate - and it’s particularly evident in the Germanic cockroach. That’s a worry as that variety is prevalent in homes and food-related businesses. Hotter-than-average temperatur...
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Coral reefs around the world are experiencing global bleaching for the fourth time, top reef scientists declared on Monday, a result of warming ocean waters amid human-caused climate change. Coral reef bleaching across at least 53 countries, territories or local economies has been confirmed from February 2023 to now, scientists from the National Oceanic and Atmospheric Administration (NOAA) and International Coral Reef Initiative said. It happens when stressed coral expel the algae that are their food source and give them their colour. If the bleaching is severe and long-lasting, the coral can...
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Sperm counts are at risk of dropping as the planet heats up, according to a team of scientists. Reproductive cells are already known to be affected by heat, but the findings from researchers in Singapore give more detailed insights into how climate change could impact fertility rates. Men who were exposed to extreme heat in the three months prior to providing a semen sample had a 46 per cent higher chance of a low sperm count, they found. The risk of a low sperm concentration also shot up by 40 per cent, and the ‘little swimmers’ were notably more sluggish. Do organic farms cause unintended ha...
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Fencing in the Grand Palais, show jumping in the Palace of Versailles and basketball on Place de la Concorde — there’s no doubt the Paris Olympics will have an air of the "wow factor". In just four months' time, we’ll see the French capital bursting at the seams with spectators flocking for 16 days of games, across 35 venues in the city. Despite concerns over whether the public transport system is fit for purpose, the 2024 Olympics claims it will be "the greenest in history". Spearheaded by mayor Anne Hidalgo’s sustainable vision for Paris, the aim is to reduce by more than half the carbon emi...
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Climate change is making giant heat waves crawl slower across the globe - and they are baking more people for a longer time with higher temperatures over larger areas, a new study has found. Since 1979, global heat waves are moving 20 per cent more slowly - meaning more people stay hot longer - and they are happening 67 per cent more often, according to a study in Friday's Science Advances. Scientists also found the highest temperatures in the heat waves are warmer than 40 years ago and the area under a heat dome is larger. Studies have shown heat waves worsening before - but this one is more ...
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Cool paint coatings could help cities feel up to 1.5C cooler, a new study has found. Using paint to counter the ‘urban heat island’ effect is nothing new, but this real-world experiment showed just how impactful it can be. Researchers at Nanyang Technological University (NTU) coated the roofs, walls, and road pavements of an industrial area in Singapore with paint containing additives that reflect the sun's heat. The first-of-its-kind study, published in the journal Sustainable Cities and Society in March, revealed that paint could be a key tool in making urban areas more comfortable for work ...
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Brazilian climatologist Núbia Beray Armond had been sounding the alarm about Rio de Janeiro's need for an extreme heat plan including water distribution for years. Interest was tepid until a disastrous Taylor Swift concert - and now Beray Armond's phone won't stop ringing. A stifling heat wave blanketed southeast Brazil the day of Swift's concert last November, just before the start of summer in the Southern Hemisphere. Tens of thousands of 'Swifties' lined up for hours under a sweltering sun, some huddling beneath umbrellas. Once inside, a group of parched fans managed to get Swift's attentio...
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A study that looked at how the immune system reacts to hot weather offers new insight into what's happening when the mercury rises. Researchers found a link between hot weather and measures of the body's immune response, including levels of certain blood cells and indicators of inflammation. It's a step toward eventually finding treatments that could help protect people from dangerously high temperatures, which have been linked to increased rates of heart attack, stroke and other cardiovascular issues. The research, presented on Tuesday at the American Heart Association's Epidemiology, Prevent...
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For most people, buying a home is the biggest investment of their life. So it makes sense to take every risk into account. Increasingly, climate change is taking its toll on the property market, damaging and devaluing homes, and driving up insurance costs. US real estate site Realtor.com announced last week that it is expanding the climate risks on its property listings from fire and flooding, to current and projected future levels of heat, wind and air quality. Over 40 per cent of US homes are at severe or extreme risk when it comes to these factors, the realtor said in a press release. Some ...
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El Niño is starting to dial down - but it’s not over yet, the World Meteorological Organization (WMO) says. The weather phenomenon that has worsened heatwaves, droughts and heavy rain since last June peaked as one of the five strongest on record in December. There is a 60 per cent chance it will continue to fuel high temperatures and extreme weather events until May, according to WMO. “Every month since June 2023 has set a new monthly temperature record \- and 2023 was by far the warmest year on record,” says WMO Secretary-General Celeste Saulo. “El Niño has contributed to these record tempera...
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