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.

February 25, 2015
Over his 50-year career, Lester Brown has become known for his accurate global environmental predictions. As he enters retirement, he warns the world may face the worst hunger crisis of our lifetimes. Click here for the full piece featured in the Guardian and watch the video below for more.