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.
Time for Action is Upon Us, Roll Call commentary by Lester Brown
November 09, 2009
"Time for Action is Upon Us" commentary by Lester Brown in Roll Call, November 9, 2009.