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“4.0 is the best yet! If there are planetary heroes, you are top of my list.” –David Orr, Oberlin College on Plan B 4.0: Mobilizing to Save Civilization.
Post Carbon Exchange Series Premier: Lester Brown and Richard HeinbergMarch 16, 2010
Lester Brown and Senior Fellow Richard Heinberg at the the Post Carbon Institute discuss developments in alternative energy and a path towards a sustainable future in the premier episode of the Post Carbon Exchange series. Posted March 16, 2010.
