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Man-made CFCs Are Jeopardizing Our Future - Paper

Man-made CFCs Are Jeopardizing Our Future



Chlorofluorocarbons (CFCs) are depleting the ozone layer which is harmful to the earth's inhabitants and environment because of the increased ultraviolet radiation coming through the thinned ozone, global warming caused by ozone loss, and the ground leveling of the ozone layer. Chlorofluorocarbons are reducing the number of ozone molecules in the earth's ozone layer; forcing it to become less dense. At the same time, the ozone layer is ground leveling, lowering in the atmosphere and coming closer to the earth's surface. Due to the thinning of the ozone layer, an excessive amount of radiation is entering the lower atmosphere and due to the ground leveling of the ozone; the ozone layer ...

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foam and plastic insulation, and in industrial solvents (Caldara 20).
Industry began using CFCs in the World War II era. In 1973, atmospheric chemists F. Sherwood Rowland and Mario Molina of the University of California at Irvine postulated the connection between ozone depletion and CFCs. Although CFCs were found to be harmful to the ozone twenty three years ago they are still in active use today. According to The Alliance of Responsible CFC Policy, the value of the annual production of these chemicals in the U.S. alone plus the materials and services directly dependent on them is $135 billion (Caldara 21).
The ozone layer is a fragile swath of gas that absorbs almost all of the harmful ultraviolet (UV) radiation emanating from the sun. It shields our planet like a blanket. The destruction of this protective layer can largely be blamed on the presence of CFCs in the atmosphere. CFCs are molecules that are comprised of one or more carbon atoms, to which are attached chlorine ...

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layer exists. It materializes over Antarctica each September, and scientists have noted it has worsened each year since 1979 (Caldara 19). In the late 1980s, the gap was two times the size of the continental United States. Ozone losses have been documented in other areas of the world as well. An average yearly loss of three percent of ozone has been noticed above Arosa, Switzerland, for at least 10 years. Seven hundred miles from the North Pole, over Spitzbergen, Norway, a hole one-third the size of Antarctica's has been pinpointed. All of which have been caused by the presence of CFCs in the atmosphere (Caldara 19).
NASA reports that the ozone layer has already declined more than ...

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Man-made CFCs Are Jeopardizing Our Future. (2006, May 24). Retrieved March 24, 2023, from http://www.essayworld.com/essays/Man-made-CFCs-Jeopardizing-Our-Future/46440
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PAPER DETAILS
Added: 5/24/2006 02:02:24 PM
Category: Health & Medicine
Type: Premium Paper
Words: 2014
Pages: 8

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