Richard Alley – The Biggest Control Knob: Carbon Dioxide in Earth’s Climate History

Want to know the history of CO2 and climate? Here's a very recent, popular presentation made by Richard Alley at the American Geophysical Union (AGU) annual conference.

His audience is filled with scientists, so it may be hard to follow as he's made certain obvious assumptions about the audience's knowledge level.

I managed, so maybe you can too.

If you want to view this larger, go to http://www.agu.org/meetings/fm09/lectures/lecture_videos/A23A.swf

Otherwise...

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