Citations

-"Biotic Factors." The Tropical Grassland (Savanna). N.p., n.d. Web. 8 Nov. 2014. <http://tropicalgrassland.wordpress.com/biotic-factors/>.

-"Abiotic Factors." The Tropical Grassland (Savanna). N.p., n.d. Web. 8 Nov. 2014. <http://tropicalgrassland.wordpress.com/abiotic-factors/>.

"Energy Sources: Renewables | Department: Energy | REPUBLIC OF SOUTH AFRICA." Energy Sources: Renewables | Department: Energy | REPUBLIC OF SOUTH AFRICA. N.p., n.d. Web. 09 Nov. 2014.

"Renewable." EIA Energy Kids -. N.p., n.d. Web. 09 Nov. 2014.

"Fossil Fuels Will Continue to Dominate Energy Mix, Says Daniel Yergin - The Boston Globe." BostonGlobe.com. N.p., n.d. Web. 09 Nov. 2014.

"Coal Power." Coal Power. N.p., n.d. Web. 06 Nov. 2014.

"South Africans Face Power Outages." BBC News. BBC News, 5 Nov. 2014. Web. 07 Nov. 2014.