Life-threatening extreme heat set to trap millions indoors by 2060

(Reuters, 12 May 2020) Farming and commerce likely to be disrupted in countries with deadly heat and humidity.

Extreme heat and humidity are increasing across the globe, threatening millions of lives and economies in places where it could become fatal to work outdoors, scientists said on Friday.

Parts of Australia, India, Bangladesh, the Persian Gulf, China, Mexico and the United States have experienced hundreds of previously rare incidents of extreme heat and humidity since 1979, said the study in the journal Science Advances.

These punishing conditions have lasted only one to two hours but climate change is likely to prolong them to about six hours at a time by 2060 and expand the affected areas, lead author Colin Raymond told the Thomson Reuters Foundation.

"That's kind of a conservative estimate but that's still earlier than anyone else had projected," said Raymond, who did the research as a PhD student at Columbia University and now works for NASA.

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Reuters, 12 May 2020: Life-threatening extreme heat set to trap millions indoors by 2060