Are We Pushing Earth's Environmental Tipping Points? - a podcast by Scientific American
from 2010-03-19T11:02:08
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Jon Foley, director of the University of Minnesota's Institute on the Environment, talks with podcast host Steve Mirsky about his article in the April issue of Scientific American, "Boundaries for a Healthy Planet". Plus, we'll test your knowledge about some recent science in the news. Web sites related to this episode include snipurl.com/foleyplanet
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