SETH BORENSTEIN
Associated Press
The deadly heat wave that roasted the Pacific Northwest and western Canada was virtually impossible without human-caused climate change that added a few extra degrees to the record-smashing temperatures, a new quick scientific analysis found.
An international team of 27 scientists calculated that climate change increased chances of the extreme heat occurring by at least 150 times, but likely much more.
The study, not yet peer reviewed, said that before the industrial era, the region s late June triple-digit heat was the type that would not have happened in human civilization. And even in today s warming world, it said, the heat was a once-in-a-millennium event.
Heat wave in US northwest impossible without climate change: Study
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Northwest heat wave impossible without climate change
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