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Richard Alley: Climate Change Future

Richard Alley: Climate Change Future

Special | 56m 47s | From 2009 Richard Alley discusses the climate change research. (56m 47s)

Michael Mann: Climate Change Challenge

Michael Mann: Climate Change Challenge

Special | 26m 48s | Watch this Michael Mann 2012 interview-He was on Intergovernmental Panel on Climate Change (26m 48s)

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