Scientists generally use much longer measurements — months, years, decades — to track the Earth's warming, but the daily highs are an indication that climate change is reaching uncharted territory.
Earth's average temperature on Wednesday remained at an unofficial record high set the day before, the latest grim milestone in a week that has seen series of climate-change-driven extremes.Earth's average temperature on Wednesday remained at an unofficial record high set the day before, the latest grim milestone in a week that has seen series of climate-change-driven extremes
While the figures are not an official government record, "this is showing us an indication of where we are right now," said National Oceanic and Atmospheric Administration chief scientist Sarah Kapnick. And NOAA indicated it will take the figures into consideration for its official record calculations.
In North Grenville, Ontario, the city turned ice hockey rinks into cooling centers as temperatures Wednesday hit 32 degrees Celsius , with humidity making it making it feel like 38 degrees . "A record like this is another piece of evidence for the now massively supported proposition that global warming is pushing us into a hotter future," said Stanford University climate scientist Chris Field, who was not part of the calculations.
Chari Vijayaraghavan, a polar explorer and educator who has visited the Arctic and Antarctic regularly for the past ten years says global warming is obvious at both poles, and threatens the region's wildlife as well as driving ice melt that raises sea levels. Even though the dataset used for the unofficial record goes back only to 1979, Kapnick said that given other data, the world is likely seeing the hottest days in "several hundred years that we've experienced."
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