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.
As drought and high temperatures continue to devastate much of the country's corn and soybean crops, the USDA reports that food prices will continue to rise at least into 2013. On July 24, Lester Brown and NPR senior business editor Marilyn Geewax discussed the rising cost of food on NPR's Talk of the Nation.