copying verbatim from US gov't public domain source
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'''Geothermal energy'''
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'''Geothermal energy''' is heat from within the earth. We can use the steam and hot water produced inside the earth to heat buildings or generate electricity. Geothermal energy is a renewable energy source because the water is replenished by rainfall and the heat is continuously produced inside the earth.
==Links==
==Links==
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*[http://www.eia.doe.gov/kids/energyfacts/sources/renewable/geothermal.html Geothermal Energy] - Energy Kid's Page, US [[Department of Energy]]