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Does Global warming exist - Essay Example

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This essay "Does Global warming exist?" will attempt to prove through scientific evidence the veracity of the claim or the question as to whether global warming does exist despite many terming it as another scientist fallacy…
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Does Global warming exist
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Download file to see previous pages Global warming usually occurs when greenhouse gas emissions such as carbon dioxide is trapped in the atmosphere thus causing a thickening blanket that traps the heat from the sun, making the planet earth to warm up continuously over a period of time (National Research Council (U.S.), 2010). There is clear evidence that there has been a marked change in the composition of greenhouse gases in the atmosphere that currently stands at 390 ppm and even higher levels have been recorded at 400ppm at Mauna Loa, Hawaii in May 2013. It can now be proven that the average global temperature has undergone a change of about 1.4°F in the last one hundred years (National Research Council (U.S), 2010). While the American National Oceanic and Atmospheric Administration (NOAA) found that, the period between years 2000 and 2010 was the warmest on record with 2005 and 2010 being the warmest (Giese, 20113).
Scientists also project that Earth's average temperatures will raise between 2 and 12 degrees Fahrenheit by 2100 which will be disastrous to human life and all the animal life on the planet earth (National Research Council (U.S.), 2011).The rise in the global temperature has been shown through the changes in weather and ultimately the climate of regions such as changes in rainfall pattern and intensity. The oceans, seas and glaciers have equally undergone changes while the oceans have become more acidic, the glaciers and ice caps on mountains and the Polar Regions have melted while the sea levels have risen (United States. (2010). These changes can be attributed to climate change have been due to human activities and natural variations in the weather and climate of a place. It is important to observe that the earth goes through a natural cycle of cooling, warming that may be attributed to factors such as changes in solar system, and acts such as volcanic activity and these cannot be the only explanation for the rise in temperatures (U.S. Global Change Research Program and Karl, 2009).  According to the National Research Council (U.S) (2010), the biggest cause of the increase in the global temperature of the earth is the trapped greenhouse gases in the air that trap the warmth leading to heating. This has been proven using satellite technology to measure the fluctuations in the energy from the sun; scientists have proven that the sun’s contribution is minimal as compared to human activities. The upshot of this is that the increase in temperatures currently experienced globally is due to the warming properties from greenhouse gases such as carbon dioxide that trap heat in the atmosphere. The increased concentration of carbon dioxide and other greenhouse gas emissions increase the amount of water vapor in the atmosphere that also aids in the trapping and retention of the excess greenhouse gas emissions. Because water vapor is a greenhouse gas, it leads to further warming through a ...Download file to see next pagesRead More
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