Bill McKibben's <i>Eaarth</i>, Part 2 - a podcast by Scientific American
from 2010-04-22T16:29:08
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Writer and activist Bill McKibben talks to Scientific American 's Mark Fischetti about his new book Eaarth: Making a Life on a Tough New Planet . Part 2 of 2. Edited and produced by podcast host Steve Mirsky
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