Ozone Depletion

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Our country is facing many serious problems that can harm peoples well being. Some that you may think of is the increase in crime, the war on terrorism, and drugs. The last problem you would think of is the depletion of the ozone layer. However, it could be the most serious problem we are facing today. The ozone is a layer of gas that forms a protective covering in the Earth’s upper atmosphere. This layer of gas is slowly diminishing each day, and causes a great concern to our safety. There are many reasons why this depletion is occurring, and chemistry is playing a huge role into helping solve this problem. Ozone composed of three oxygen atoms is an extremely reactive gas and depending on where it is in the atmosphere affects life on Earth directly. Tropospheric ozone, forms from reactions between two major classes of air pollutants: “volatile organic compounds (VOCs) and nitrogen oxides (NOx)”. Stratospheric ozone is formed naturally through the interaction of solar ultraviolet radiation and oxygen, approximately located six to thirty miles above the Earth's surface and helps to reduce the amount of UV radiation reaching Earth. First suggested in 1974 by Drs. M. Molina, there was a possibility a man made group of compounds known as chlorofluorocarbons (CFCs) were likely the main source of ozone depletion. This theory was not taken seriously until the discovery of the ozone hole in 1985 over Antarctica by British Scientists. Although natural phenomena can cause temporary ozone loss, chlorine and bromine released from man-made compounds (CFCs) are now accepted as the main cause of ozone depletion. Chlorofluorocarbons have been held responsible in the rapid depletion of ozone. CFCs were developed in the early 1930’s and were us... ... middle of paper ... .... 2010. Web. 11 Oct. 2010. . 3. Hattam, Robert, Ruth Newton, and Garry White. Chemistry in Society: towards Social and Student-centred Learning. Wattle Park, S. Aust.: Wattle Park Teachers Centre, 1987. Print. 4. "Global Warming." Global Warming, Causes, Solutions, Photography, Pictures, Photos, Climate Change, Impact, Science, Weather, Arctic, Antarctica, Climate Zones, Glacier, Arctic Warming, Antarctica Warming, Documentation, Effects, Effects of Climate Change, Paleoclimate, Mountain Glaciers, Coral Reefs, Tide Pools, Phenology. 2005. Web. 11 Oct. 2010. . 5. "Online NewsHour: The Global Warming Debate." PBS. 1996. Web. 11 Oct. 2010. . 6. AlGore.com. Al Gore, 2010. Web. 11 Oct. 2010. .

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