Bibliography

http://www.infoplease.com/ipa/A0920630.html
http://worldpopulationbalance.org/pop/energy/
http://www.huffingtonpost.com/gavin-newsom/power-america-with-ocean_b_187902.html
http://www.our-energy.com
http://www.worldwatch.org/
http://www.repp.org/
http://www.repoweramerica.org/