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          Cost of Wind Turbines. Windustry.  n.d. Web. 1 March 2012.  

          Environmental impacts of coal power. n.d. Web. 6 March 2012.

          Kilowatt hour. 2012. Web. 6 March 2012.

  

          Mercury Contamination of Aquatic Ecosystems. n.d. Web. 1 March 2012.

The    Economics of Nuclear Power. December 2011. Web. 6 March 2012.

          Unexpected Downside of Wind Power. 14 October 2005. Web. 6 March 2012.

                      

          Wind Power. 2012. Web. 1 March 2012.