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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.
Lester Brown on MSNBC’s HardballJuly 22, 2011
Lester Brown and Robert Engleman of Worldwatch Institute answer tough questions on population on MSNBC's Hardball with Chris Matthews. Posted July 22, 2011.
