"The world has quietly entered a new era, one where there is no national security without global security. We need to recognize this and to restructure and refocus our efforts to respond to this new reality." –Lester R. Brown, Plan B 4.0: Mobilizing to Save Civilization.
Lester Brown speaks as a keynote at the 2012 Limits to Growth Symposium hosted at the Smithsonian. Posted March 28, 2012.