6. Biblography



  • Geographic, N. (n.d.). Wind power. Retrieved from http://environment.nationalgeographic.com/ environment/global-warming/wind-power-profile/!

  • Harris, E. Save the earth science experiments. New York: Lark Books.!




  • 2013 wind energy installations stall in us, surge in china. (2014, February 6). Retrieved from http://cleantechnica.com/2014/02/06/2013-wind-energy-installations-stall-u-s-surge-china/

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