con bio - Christopher Stanley Conservation Biology...

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Christopher Stanley Conservation Biology Professor Powell 28 November 2007 Reducing Emissions: Alternatives to Fossil Fuel Just recently, evidence for rapid climate change has become overwhelming and is now pressuring us as a society to take action . The seriousness of this problem can only be seen through projections . "Global temperatures are predicted to rise by up to 4 °C by 2100, with associated alterations in precipitation patterns" (Thuiller 2007) . The first step to solving this problem is to ask what is causing it? A large contributor to the global warming issue is rooted in the greenhouse effect . The Greenhouse Effect is the capacity of certain gases in the atmosphere to trap heat emitted from Earth’s surface, thereby insulating and warming the planet . Without the thermal blanketing of the natural greenhouse effect, Earth’s climate would be about 33°C cooler—too cold for most living organisms to survive (Maslin 2007) . Unfortunately, that is not the current problem. Due to increases in greenhouse gas's (carbon dioxide, nitrous oxide, and methane) the temperature of the Earth and its atmosphere are increasing dramatically and are projected to continue to the point where all living organisms on earth are in jeopardy . So the second question we ask is, how do we stop it? Since " The global increases in carbon dioxide concentration are due primarily to fossil fuel use and land-use change" (Alley 2007), we should probably find alternative energy sources to replace fossil fuel use, and aid in the global warming issue . The most popular energy sources in discussion today are
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solar, wind, geothermal, hydroelectric, and nuclear power . And finally a solution to the problem is to determine the best and most effective way to utilize alternative energy
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This essay was uploaded on 04/22/2008 for the course AMTH 260 taught by Professor Ronaldcoifman during the Spring '07 term at Yale.

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con bio - Christopher Stanley Conservation Biology...

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