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.
Population growth, rising affluence, water shortages and climate change are combining to create unprecedented pressure on the world’s food supply. “We have yet to grasp what climate change means in terms of food security,” says Lester Brown. “We’re looking at changes on a scale we haven’t seen yet.” Get the full report here.