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.
Check out the latest review of Lester Brown's new book Full Planet, Empty Plates, by Jeff McIntire-Strasburg of Sustainablog. He writes, "As with all of Brown’s books, Full Planet, Empty Plates is very well-documented: over 150 data sets accompany the book. Brown fully explains the extent of food challenges in various regions of the globe, and the potential impacts based on environmental and socioeconomic factors in these regions."