Preserving Our Earth. (2006, July 11). Retrieved May 1, 2024, from http://www.essayworld.com/essays/Preserving-Our-Earth/48963
"Preserving Our Earth." Essayworld.com. Essayworld.com, 11 Jul. 2006. Web. 1 May. 2024. <http://www.essayworld.com/essays/Preserving-Our-Earth/48963>
"Preserving Our Earth." Essayworld.com. July 11, 2006. Accessed May 1, 2024. http://www.essayworld.com/essays/Preserving-Our-Earth/48963.
"Preserving Our Earth." Essayworld.com. July 11, 2006. Accessed May 1, 2024. http://www.essayworld.com/essays/Preserving-Our-Earth/48963.