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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.
Orville Freeman LectureApril 17, 2007
Orville Freeman Lecture by Lester Brown sponsored by the Hubert H. Humphrey Institute, University of Minnesota. Transcript.
