To comprehend the present and future of global climate change, it is vital to understand its history. It earth's atmosphere, there is a greenhouse effect. This is the way that the planet warms, and traps heat that has been radiated form the earth's surface (encyclopedia of science). The gases that affect this heat-level consist of water vapor, carbon dioxide, methane, nitrous oxide, and chlorofluorocarbons (nasa.gov). In the past, there have been many situations that have altered these levels and, therefore, changed the climate. Volcanoes are a good example of this. When a volcano erupts, it creates dust and particles as well as lava. This pollutes the air,...
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...reatly impact the planet.
"Basic Information | Climate Change | U.S. EPA." Epa.gov. US Environmental Protection Agency. Web. 17 June 2011.
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Gladwell, Malcolm. The Tipping Point: How Little Things Can Make a Big Difference. Boston: Back Bay, 2002. Print.
Jenkins, Amber. "Climate Change: Vital Signs of the Planet." Climate.nasa.gov. NASA. Web. 15 June 2011.
Sheffield, Perry E., and Philip J. Landrigan. "Global Climate Change and Children’s Health: Threats and Strategies for Prevention." Environmental Health Perspectives 119.3 (2010): 291-98. Academic Search Premier. Web. 15 June 2011.
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