"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.
Andrew C. Revkin posts an exchange between Vaclav Smil, the University of Manitoba analyst, and Lester Brown, president of the Earth Policy Institute in the New York Times Dot Earth blog. Posted January 10, 2011.