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01/28/2011
- Two Cold Winters Don't Make A Climate Trend
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Jan. 28, 2011
Two Cold Winters Don't Make A Climate Trend
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| The polar vortex, a jet stream swirling around the north pole, has weakened the past two winters, allowing plumes of cold air to slip south. But for most climatologists, two years don't make a trend. Atmospheric scientist John Wallace talks about why he's cautious to link weird weather to global warming. |
Produced by Christopher Intagliata, Associate Senior Producer
Guests
-
John Wallace
Professor, Atmospheric Sciences
University of Washington
Seattle, Washington
FEATURED READING
Brilliant Blunders
by Mario Livio
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