"The overriding challenge for our generation is to build a new economy–one that is powered largely by renewable sources of energy, that has a much more diversified transport system, and that reuses and recycles everything." –Lester R. Brown, Plan B 3.0: Mobilizing to Save Civilization
Lecture by Lester Brown at Google headquarters. Topic: Plan B: Rescuing a Planet Under Stress and a Civilization in Trouble. Watch the video.