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.

April 16, 2015
Daniel Coffey of the San Diego Source writes, "At nine chapters and 178 printed pages in a compact format, [The Great Transition] holds a good many ideas and observations about modern renewable energy systems to which thinking people should pay close attention." Read the full story here.