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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.
Lester Brown on Guardian.co.uk for Global Development: ‘The 21st century goldrush - African arable land grabs’January 31, 2011
Podcast of Lester Brown on Guardian.co.uk's Global Development website, titled "The 21st century goldrush - African arable land grabs." Posted January 28, 2011.
