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"It's the best summation of humanity's converging ecological problems and the best roadmap to sovling them, all in one compact package." —David Roberts, Grist on Plan B 4.0: Mobilizing to Save Civilization.
Lester Brown interviewed on Science FridayOctober 02, 2009
Lester Brown interviewed about Plan B 4.0 by Ira Flatow on Science Friday, October 2, 2009.
