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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.
Teleconference of Lester Brown, “When Will the Food Bubble Burst?”January 12, 2011
Podcast of teleconference with Lester Brown on "When Will the Food Bubble Burst?" Posted January 12, 2011.
