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People sleep at a cooling shelter built up in Portland, Oregon, United States, on June 27, 2021, amid an unusual heat wave. Reuters’ Maranie Staab SANTA MONICA, Calif. – MONICA, Calif. – According to a recent research by an international team of 27 experts, the lethal heat wave that brought triple-digit temperatures to the Pacific Northwest and western Canada and killed hundreds of people would have been almost unthinkable without human-caused climate change. Researchers said it was impossible to assess how rare the heat wave was since the temperature records were so great — 116 degrees Fahrenheit in Portland, Oregon, and 121 degrees Fahrenheit in British Columbia, Canada. They calculated that it was a once-in-a-millennium occurrence. The researchers from the United States, Canada, the United Kingdom, the Netherlands, France, Germany, and Switzerland calculated that human-caused climate change raised the risk of a heat wave by at least 150 times. “An event like the Pacific Northwest 2021 heatwave is still exceptional or extremely rare in today’s climate,” the scientists said, “but would be nearly unthinkable without human-caused climate change.” “As the world warms, it will become far less common.” The researchers advocated for adaptation strategies that take into account the increased danger of heat waves, such as action plans that include early warning systems for extreme temperatures and more aggressive aims to substantially cut global warming greenhouse gas emissions. Researchers also discovered that in a world warmed by 2 degrees Celsius, which might occur this century unless considerable reductions in greenhouse gas emissions are made, such a heat event would occur every five to ten years. According to the World Meteorological Organization, the Earth has already warmed by more over 1 degree Celsius relative to pre-industrial levels. The World Weather Attribution team’s study has not yet been peer reviewed. They do fast assessments to establish a relationship between climate change and individual extreme weather events. It does, however, utilise processes that have been peer-reviewed in the last ten years. To examine the influence of climate change on weather events, scientists utilized computer simulations that contrasted a hypothetical world without greenhouse gas emissions to the current reality. The findings will be published in peer-reviewed journals later. The report, which was released on Wednesday, backs up prior research on the effect of climate change on the frequency and intensity of heat waves and drought. The recent historic heat wave, which began at the end of June and lasted until the end of July, fanned wildfires, threatened water shortages, and resulted in hundreds of deaths across Oregon, Washington, and British Columbia. It’s predicted that the official death toll will grow. Climate change is responsible for more than a third of global heat-related mortality during hot seasons, according to researchers. Heat also kills more people in the United States than any other weather-related calamity. “Our findings serve as a stark warning: human fast changing climate is ushering us into uncharted territory, with serious implications for our health, well-being, and livelihoods,” the researchers stated. According to experts with the Copernicus Climate Change Service, North America has had its hottest June on record, and 2021 is almost guaranteed to be among the top ten hottest years on record./nRead More

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