Bibliography

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• Gore, A. (2009). Our Choice. New York: Rodale Inc.

• Gleason, C. (2008). Geothermal energy: Using Earth’s Furnace. St.Catharines: Crabtree Publishing.

• Orr, T. (2008). Power up: Geothermal Energy. Michigan: Cherry lake Publishing.

• Geothermal Energy. (2011). The New Book of Popular Science. Retrieved March 29, 2011, from Grolier Online https://nbps.grolier.com/cgi-bin/article?assettype=t&assetid=4034960