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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.
World on the Edge review by Paul Shippee, The Crestone EagleJune 01, 2011
Paul Shippee of The Crestone Eagle reviews Lester Brown's World on the Edge. Posted June 1, 2011.
