Saturday, November 30, 2013

Global Warming

It is now a known fact that the Earths surface temperature has go up by 1 head Fahrenheit in the past 100 years, with an rush flyinging oer the past 20 years. There is reliable evidence that most of this warming over that past 50 years is due to human activities. human activities have changed the chemical composition of the zephyr through the subjoin in the automated teller of nursery gases such(prenominal) as carbon dioxide, methane, and nitrous oxide.                           It is has been put down that there have been increasing levels of glasshouse gases, such as carbon dioxide, in the earths atm since the industrial Revolution, which argon mostly the result of human activities. It is a long-familiar fact that glasshouse gases trap heat in the Earths atmosphere and consequently warm the planet. By increasing the levels of greenhouse gases in the atmosphere, human activities argon naturally strengthening the Earths natura l greenhouse effect. The greenhouse gases emitted by human activities remain in the atmosphere for long periods, which persist from decades to centuries.                  A warming trend of near 1 degree Fahrenheit has been recorded since the late nineteenth century. Warming has occurred twain in the northern and southern hemispheres as well as over oceans.
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There be several(prenominal) evidences of orbicular warming, such as the melting of glaciers, decreased snow prolong in the northern hemisphere, and warming below ground.         There are several region-specific types as well, which give us the evidence th! e rival that global warming has on the world today. The first example is that low-lying areas in the Indian subcontinent, such as Bangladesh and adjoin areas, are regularly being flooded. The flooding can be explained by global warming, which leads to increases in sea levels as glaciers and snows caps melt, and alike as water expands when heated, the sea... If you want to get a upright essay, tell it on our website: OrderCustomPaper.com

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