How the polar vortex could be linked to climate change
January 30, 2019
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6:18Now PlayingHow the polar vortex could be linked to climate change
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as posted by the channelThe record-cold blast of Arctic air freezing the Midwest is caused by a natural phenomenon called the polar vortex, but scientists say climate change may be playing a role in the extreme conditions. CBS News contributing meteorologist Jeff Berardelli joins CBSN to explain the science.
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