"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.
"We only have months, not years, to save civilisation from climate change," commentary on the U.N. Climate Change Conference by Lester Brown in the Guardian, November 3, 2009.