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How global warming affects sea levels - Research Paper Example

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Global warming is a term commonly used to describe the consequences of man- made pollutants overloading the naturally-occurring greenhouse gases causing an increase of the average global temperature, the subject of great debate and concern worldwide. According to all…
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How global warming affects sea levels
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Essentially, the greenhouse effect functions in the following manner. When sunlight pierces the atmosphere and hits the earth’s surface, not all of the sun’s solar energy is absorbed. Approximately a third of it is reflected back into space. Specific atmospheric gases serve in much the same way as does the glass of a greenhouse, thus the terminology. These gases allow sunlight to penetrate then trap some of the solar energy which heats the earth (Breuer, 1980). It is a delicate balance and because these greenhouse gases have been artificially augmented by man-made sources, more build up in the atmosphere has occurred thus trapping more of the sun’s energy and reflecting less back in to space.

This occurrence is causing the earth to warm. The rising levels of carbon dioxide (CO2) in the atmosphere are becoming increasingly disconcerting. “The concentrations of CO2 in the air around 1860 before the effects of industrialization were felt, is assumed to have been about 290 parts per million (ppm). In the hundred years and more since then, the concentration has increased by about 10 percent.” (Breuer, 1980, p. 67). Eighty percent of the world’s population accounts for just 35 percent of CO2 emissions while the United States and Soviet Union combined are responsible for generating half.

Worldwide, “carbon dioxide emissions are increasing by four percent a year.” (Miller, 1990, p. 450). Motor vehicles are a major cause of air pollution as is fuel burned for the heating of homes and powering industry along with the toxins emitted from stacks at coal-burning power plants. “Vehicles produce high levels of carbon monoxides (CO) and a major source of hydrocarbons (HC) and nitrogen oxides (NOx), whereas, fuel combustion in stationary sources is the dominant source of sulfur dioxide (SO2)” (Breuer, 1980, p. 70). If the balance between the CO2 levels in the ocean and atmosphere is disturbed by interjecting increasing

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