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"Oil wells go dry and coal seams run out, but for the first time since the Industrial Revolution began we are investing in energy sources that can last forever." –Lester R. Brown, Plan B 4.0: Mobilizing to Save Civilization.
Lecture for San Francisco World Affairs CouncilSeptember 24, 2003
Audio of talk at the San Francisco World Affairs Council on Plan B: Rescuing a Planet Under Stress and a Civilization in Trouble.
