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United States 06/06/2007 11:05 PM Report Abusive Post Report Copyright Violation | Push for geothermal juice picks up steam Will bringing heat out from inside the Earth make global warming worse? [ link to www.usatoday.com] There's good reason one of the nation's most promising renewable energies is the industry's best-kept secret: It's buried miles under the surface of the Earth. Yet geothermal energy, which taps the Earth's natural heat to generate electricity, is making a big comeback after a decade-long lull. And a recent MIT-led report says geothermal could supply at least 10% of U.S. power by 2050, rivaling nuclear and hydropower, if afforded a $1 billion research investment over the next 15 years. |