"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.
"Our scarcest resource is time." Watch Lester speak in a video created by The Regeneration Project and featured on the Guardian's website about the expectations for the Rio+20 climate conference in June.