2021 was one of the hottest years on record
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2021 was one of the hottest years on record

And it could also be the coldest we’ll ever see again.

Firefighters descend a hill towards a fire
Californias Caldor fire moves east toward Lake Tahoe as firefighters continue to battle a blaze in August 2021. Credit: Michael Nigro/Pacific Press/LightRocket/Getty Images
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