See on Scoop.it – Climate Impacts
President Obama’s Science and Technology Advisor, Dr. John Holdren, explains the polar vortex in 2 minutes—and why climate change makes extreme weather more …
See on www.youtube.com
Posted by: gaiatahoe | January 8, 2014
The Polar Vortex Explained in 2 Minutes – YouTube
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Gaia Tahoe 