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"I appreciate…the hope Plan B communicates by pointing out so many things that are already being done around the globe." —Roland Saher, economics teacher on Plan B 4.0: Mobilizing to Save Civilization.
Book Review for “World on the Edge” on Celsias’s Clean Techies BlogJanuary 12, 2011
Bryan Walker reviews World on the Edge: How to Prevent Environmental and Economic Collapse on Celsias's Clean Techies Blog. Posted January 12, 2011.
