A Useful Video About Climate Change

Thanks to Scott Mandia for this reference.
Earth: The Operator's Manual (PBS)
53 minutes
"Host Richard Alley – a geologist, contributor to the United Nations panel on climate change and former oil company employee whom Andy Revkin of the New York Times once called “a cross between Woody Allen and Carl Sagan” – leads the audience on this engaging one-hour special about climate change and sustainable energy."

http://earththeoperatorsmanual.com/broadcast_info