“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.
Keynote Speaker at World Bank North American Symposium
October 11, 2000
Keynote Speaker, North American Symposium on Understanding the Linkages Between Trade and Environment, World Bank, Washington, DC.