References
(2012). Fossil fuels. (2012). [Print Photo]. Retrieved from http://www.instituteforenergyresearch.org/energy- overview/fossil-fuels/
(2013). Fossil fuels usage per capita. (2013). [Print Photo]. Retrieved from http://ete.cet.edu/gcc/?/resourcecenter/slideshow/3/53
McCarty, B. (Photographer). (2009). world fossil fuel resources. [Print Photo]. Retrieved from http://bobmccarty.com/2009/11/04/united-states-could-be-energy-independent-if/
(2013). Fossil fuels usage per capita. (2013). [Print Photo]. Retrieved from http://ete.cet.edu/gcc/?/resourcecenter/slideshow/3/53
McCarty, B. (Photographer). (2009). world fossil fuel resources. [Print Photo]. Retrieved from http://bobmccarty.com/2009/11/04/united-states-could-be-energy-independent-if/