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The 8 Minute Epoch: 65 million Years with James Hansen

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Published on Jan 3, 2011

In a speech at the University of Oregon, James Hansen, NASA's chief atmospheric scientist, walks listeners thru the most recent geologic periods, and speaks to the commonly heard climate canard, "It's been hotter in earth's history before - so what's the big deal?'

this presentation and others by Hansen available here:
http://www.columbia.edu/~jeh1/present...

original video of this lecture here:
http://www.youtube.com/watch?v=pgC8yZ...

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