"It's the best summation of humanity's converging ecological problems and the best roadmap to sovling them, all in one compact package." —David Roberts, Grist on Plan B 4.0: Mobilizing to Save Civilization.
Lester Brown at the Citizens Climate Lobby National Conference
July 14, 2010
Watch Lester Brown's speech at the CCL National Conference, discussing Plan B 4.0: Mobilizing to Save Civilization. Posted July 8, 2010.