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Did you know? The heat in the upper six miles of the earth’s crust contains 50,000 times much as energy as found in all the world’s oil and gas reserves combined. Despite this abundance, only 10,500 megawatts of geothermal generating capacity have been harnessed worldwide. For more information view the text and data in Chapter 5 of Plan B 4.0: Mobilizing to Save Civilization.
How Can We Feed the World and Protect the Environment? - Lester Brown presentationOctober 30, 2009
Article and podcast: Lester Brown giving the 2009 Peter Roberts Memorial Lecture, "How Can We Feed the World and Protect the Environment," sponsored by Compassion in World Farming. Presented in London on October 29, 2009.
