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.
Watch Lester Brown's presentation at the NYT Energy for Tomorrow Conference from April 11, 2012. His panel is the Opening Plenary. Other notable speakers include Thomas Friedman, Steven Cho, Daniel Yergin, and T. Boone Pickins.