"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 talk on Plan B: Rescuing a Planet Under Stress & a Civilization in Trouble at Environment Canada Policy Research seminar series. French translation. [Note: http://www.ec.gc.ca/seminar/Brown_e.html no longer exists.]