Buck
03-23-2008, 03:03 PM
"Heat stored beneath the Earth’s surface holds 50,000 times the energy of all the oil and gas in the world combined. If it could be harnessed, it would be an ideal source of base-load power: Geothermal is cleaner than fossil fuels, and more reliable than alternative sources like tidal, wind, wave and solar. Today, geothermal plants in the United States generate nearly 3000 megawatts of electricity—enough to power South Dakota. Almost all of it comes from reservoirs that are at least 300 F. "
http://www.popularmechanics.com/science/earth/4245896.html?series=15
http://www.popularmechanics.com/science/earth/4245896.html?series=15