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 Greenpeace Radio
July 27, 2011
Lester Brown visits Greenpeace on their radio program on July 18, 2011. Click here to see their iTunes podcast for more episodes. Posted July 27, 2011.