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Global Warming. Global Warming-How Will It Affect You? Global warming is one
of the last things on most people's minds. However, global ...
global warming. Global warming is an increase ... There are many misconceptions
about global warming. Some believe that pollution causes ...
how the ‘Greenhouse’ effect promotes global warming and discusses the impacts
of global warming. This essay gives an explanation ...
Submitted by fredo81391 on December 31, 2007
Category: Miscellaneous
Words: 2681 | Pages: 11
Views: 173
Popularity Rank: 70,004
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Throughout the world the issue of global warming has become an increasingly important issue. Global warming has been an issue that has been heatedly debated for many years. Scientists all over the world have been debating weather global warming actually exists. If it exists some scientists believe it is natural. While others believe it is caused by humans.
Global warming is defined as an average increase in temperature in the atmosphere near the earths surface and in the troposphere. Which can contribute to changes in global climate patterns. In relativity the thickness of a coat of varnish on a globe is the thickness of the atmosphere compared to the world it self. Thin enough that we are capable enough to change its composition.
Over the past two hundred years the burning of fossil fuels such as, coal and oil, and deforestation have caused the concentrations of green house gases to increase. Which in turn causes the atmosphere to thicken. This prevents heat from escaping the earth for example like panels in a green house.
The suns radiation comes to earth in the form of light waves. Most of this is absorbed by the earth and heats it. The earth sends some of this energy back to space in the form of infrared waves. Again some of this is trapped by the earth. This is important because this keeps the temperature on the earth livable.
This can also be a bad thing because of the green house gases that thicken the atmosphere. More and more of the suns heat gets trapped and cause the earths temperature to rise. Over the last century the average temperature has climbed one degree Fahrenheit, about sixty percent of a degree Celsius. The United Nations Intergovernmental Panel on Climate Change has predicted the global temperature will rise an additional 3 to 10 degrees by the end of the century. So there should little doubt that the earth is warming.
The 1990's was the hottest decade...
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