"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.
Here's a clip of Lester Brown from PBS's Journey to Planet Earth series on Plan B: Mobilizing to Save Civilization. Posted March 29, 2011.