"Desertification is a fancy word for land that is turning to desert," begins Allan Savory in this quietly powerful talk. And terrifyingly, it's happening to...
View Part 2/2: http://youtu.be/_pKZLHNYPbM Are we beyond the tipping point for survivable climate change? How will our nation thrive the coming food...
CORRECTION at 8:10 -- Solar output was around 4% weaker during the Cambrian-Ordovician 'greenhouse' period, not 6% (Ref "The faint young sun problem" - Georg......
We try to understand why the US public is so divided over global warming causes and issues? Inside Story Americas, Shihab Rattansi discusses with guests:...
The National Research Council is pleased to present this video that explains how scientists have arrived at the current state of knowledge about recent clima......
