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One Billion People to Face Deadly Heat Stress If World Warms 2C

Climate crisis is cooking up a lethal mix of heat and humidity, according to a study released at COP26.

Residents at a cooling center during a heatwave in Portland, Oregon, in June.
Residents at a cooling center during a heatwave in Portland, Oregon, in June.Photographer: Maranie Staab/Bloomberg

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One billion people will be at risk of extreme heat stress if global warming causes the world’s temperature to rise by 2C, new modeling shows.