“4.0 is the best yet! If there are planetary heroes, you are top of my list.” –David Orr, Oberlin College on Plan B 4.0: Mobilizing to Save Civilization.
Presentation for the 2005 Solar World Congress
August 01, 2005
Lester Brown "Bringing Water to the World" plenary speaker at the 2005 Solar World Congress. This presentation is available on DVD through ASES.