Cause And Effect Essay On Greenhouse Effect

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The commonly debated “greenhouse effect” refers to “the global-average temperature increase that has been observed over the last one hundred years or more” (Spencer). President Barack Obama addressed the issue as an effort to highlight its severity, "We have to all shoulder the responsibility for keeping the planet habitable, or we’re going to suffer the consequences – together” (Leader). The earth’s increasing atmospheric and oceanic temperatures result in climate changes due to cumulative amounts of carbon dioxide (CO2) in the atmosphere. As an outcome, researchers around the globe have established that the by-product of burning fossil fuels is the main culprit of the increasing temperatures. Global carbon emissions from fossil fuels have Observable effects have taken place, such as shrinking glaciers, declining Arctic sea ice, and rising sea levels. The global sea level rose about 17 centimeters (6.7 inches) in the last century (NASA). The rate in the last decade, however, is nearly double that of the last century. In addition to climate change on the rise, higher temperatures, more droughts, and wilder weather will prevail. These changes will affect animals, ecosystems, and people. Furthermore, in 2000, the Harvard School of Public Health looked at the human health effects from two fossil-fuel-fired power plants in Massachusetts. It estimates that the air pollution from the plants causes:159 premature deaths, 1,710 emergency room visits, 43,300 asthma attacks each year First and foremost, unlike power plants that rely on combustion of fossil fuels, wind turbines do not produce atmospheric emissions. Strangely enough, wind is a form of solar energy. Winds are caused by the irregular heating of the atmosphere by the sun, the variations of the earth 's surface, and rotation of the earth. This wind flow, or kinetic energy, when "harvested" by modern wind turbines, can be used to generate electricity. There is an abundance of wind to meet our needs, “the potential of [the total] wind power [in the world] is… 20 times more than what the entire human population needs” (Maehlum). Currently, wind power is one of the lowest-priced renewable energy technologies available, costing between four and six cents per kilowatt-hour, depending upon the wind

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