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.
The following four YouTube clips from a recent lecture Lester Brown gave on Plan B 3.0: Mobilizing to Save Civilization will take you into the heart of the Plan B message. The presentation was to the Chemical Society of Washington.
Our Challenge to Save Civilization
Melting Ice and Shrinking Glaciers
Failing States: Early Sign of Decline
Cutting Carbon Emissions 80 Percent by 2020