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NOAA scientists say Arctic is changing at an "alarming" rate

A report out this week by the National Oceanic and Atmospheric Administration says that the Arctic is changing even faster than scientists had previously predicted. CBS News meteorologist and climate specialist Jeff Berardelli explains what that means for climate action and why the U.S. may break its previous billion-dollar disaster record as climate change stirs up extreme weather and wildfires in 2020.
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