Citations

Definition:

“Geothermal Energy”. Alternative Energy. N.p., n.d. Web. 11 Feb. 2014.

Description:

Hydroelectric Dam. Digital image. A Students Guide to Global Climate Change. United

States Environment Protection Agency, n.d. Web. 06 Feb. 2014.

Perlman, Howard. "Hydroelectric Power: How It Works." Hydroelectric Power: How It Works, USGS

Water-Science School. United States Geological Survey, 6 Mar. 2013. Web. 06 Feb. 2014.

"Water Energy." EPA. Environmental Protection Agency, n.d. Web. 04 Feb. 2014.

Zimesnick, Michael. "How Do Hydroelectric Dams Work: Parts of a Dam Examined & Explained."

Renewable Energy Index. Renewable Energy Index, 28 Jan. 2010. Web. 07 Feb. 2014.

Instruction: 

Archer, Ann. "The 10 Easiest Ways to Green Your Home." Real Estate. MSN Real Estate, n.d. Web. 06

Feb. 2014.