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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.
Could Food Shortages Bring Down Civilization?September 30, 2009
Commentary by Lester Brown at IPS News, Could Food Shortages Bring Down Civilization?, Tuesday, September 29, 2009.
