Det är ingen tvekan om att vi har gått in i en ny era med extrema väder. Och det är ingen tvekan om att orsaken är utsläppen av växthusgaser, som nu har värmt Jorden med en grad på några decennier.
Inom några år kommer den att öka till 1,5 C, enligt experterna och det kommer att medföra ännu större problem.
I USA drabbades 4 av 10 av någon form av extremt väder förra året.
Extreme weather fueled by climate change hit 4 in 10 Americans where they lived in 2021
Raging wildfires exacerbated by drought in the West; severe downpours across the Midwest, Northeast and South; deadly heat waves in the Pacific Northwest; hurricanes that unleashed destruction from the Gulf Coast up to New England: 2021 was a year when it became impossible for many Americans to ignore the extreme weather fueled by climate change.
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In June, when a heat dome descended over the Pacific Northwest, smashing high-temperature records in cities like Portland, Ore., and Seattle, millions of Americans suffered and hundreds died. An estimated 1 billion sea creatures were also killed along the coast of British Columbia, Canada, and endangered salmon populations were basically cooked alive in streams and rivers across the region.
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In a 2019 report, NASA warned that if average global temperatures were to cross the threshold of 2.7°F (1.5°C) of warming, the consequences would be dire for life on Earth.
"Most land regions will see more hot days, especially in the tropics. At 1.5 degrees Celsius warming, about 14 percent of Earth’s population will be exposed to severe heatwaves at least once every five years, while at 2 degrees warming that number jumps to 37 percent," the report's summary stated. "Extreme heatwaves will become widespread at 1.5 degrees Celsius warming."
https://www.msn.com/en-us/weather/topstories/extreme-weather-fueled-by-climate-change-hit-4-in-10-americans-where-they-lived-in-2021/ar-AAStdyM?ocid=BingNewsSearch