A major federal report finds that the speed of Arctic warming is unprecedented in 2,000 years

The peer-reviewed report involving 85 scientists finds that the Arctic environmental system has reached a “new normal”

It’s a common refrain doubters of human-caused global warming: Temperatures now are no higher than they were during the Medieval Warm Period from about 800 to 1400 AD.

Never mind that a major paper put this idea to rest in 2013. I still have this flawed argument thrown at me when I write about climate issues. And I would not be surprised if that happens again with this p

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