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CFC's

            The poisoning of the Earth's ozone layer is increasingly attracting worldwide concern for the global environment and the health effects of life on the Planet Earth. There is not just one particular cause for the ozone's depletion; the accumulation of different pollutants into our ozone layer has all added up and equaled a worldwide problem. There is not just one effect from the poisoning of the ozone, but instead multiple ramifications from diseases to death. The damage to the ozone is increasing with every second; moreover, there are many ways we can help reduce the problem and preserve the ozone layer. Ozone is a pale blue gaseous form of oxygen, in chemical form it is also known as O3. Ozone can be beneficial or harmful depending on its location in the Earth's atmosphere. If the ozone is located in the troposphere (which extends from the surface of the Earth up to approxiametly10 miles) it is a harmful pollutant and a major component in smog and other environmental health problems. Such tropospheric ozone can damage plastic, rubber, plant and animal tissue. Ozone located approximately 10-25 miles above the Earth's surface, in a part of the Earth's atmosphere called the stratosphere is very beneficial. The ozone is a major factor that makes life possible on Earth. About 90% of the planet's ozone is in the ozone layer. Ozone in this layer shields and filters out the Earth from 95-99 percent the sun's ultraviolet radiation. A low level of ozone does not protect or prevent the sun's ultraviolet rays from reaching the surface of the Earth, therefore, overexposing life on Earth causing many diseases. The depletion of the ozone is caused by many factors, but the one cause that will be elaborated on in the next paragraph is the main reason our ozone is continuously being poisoned. The major cause in the depletion of the Earth's ozone layer is because of the release of chlorofluorocarbons into the atmosphere.


Essays Related to CFC's

1. Cfcs and the Ozone Layer Depletion

Cfcs have a diminishing effect on the ozone layer. ... Cfcs affect this process. ... Some of the more commonly used Cfcs are: Cfc 11, also known as R-11, Cfc 13, and Trichloroflouromethane; Cfc 12, also known as Freon, R-12, Cfc 12, and Dichlorodiflouromethane; and the third common type is Cfc13, also known as R-113, CF2CICFC12, and 1,1,2 Trichlorotrifluroethane. ... In the stratosphere, Cfcs would be exposed to UV radiation. ... Therefore, the two hypothesized that Cfcs would indeed harm the ozone layer in the same way they affected Cfcs in experiments on earth. ...

  • Word Count: 2163
  • Approx Pages: 9
  • Has Bibliography
  • Grade Level: High School

2. Business and Environment Ethics CFC's

They produce chlorofluorocarbons also known as CFC's. ... The down side is that CFC's do not really have an identical substitute and finding a sub. ... In 1987 for DuPont Freon Products Division, $600 million in revenue was from 50 million pounds of CFC production. ... Yes CFC's caused harm to the environment but cutting production and bagging CFC's would mean a cut in the company's profits. ... If so I am proposing to continue producing CFC's but cutting production as time goes by and pay for a research and development team to find substitutes and alternatives fo...

  • Word Count: 562
  • Approx Pages: 2
  • Grade Level: Undergraduate

3. CFCs And Alternative Aerosol Propellents

Combined together they create chlorofluorocarbon, or CFC. ... There are actually six different forms of CFCs that were used in commercial products: CFC-11, CFC-12, CFC-22, CFC-113, CFC-114 and CFC-115. ... CFC-114 and CFC-115 were used in refrigeration and cooling. ... All the different forms of CFCs have very long life spans - about 110 years for CFC-12 and CFC-113 and around 75 years for CFC-11. ... Even if all CFC production were stopped today, the CFCs already in the air would inevitably float up and destroy part of the ozone. ...

  • Word Count: 1942
  • Approx Pages: 8
  • Has Bibliography
  • Grade Level: High School

4. Ozone

It took forty years after CFC production to determine the negative effect CFCs have and to discover the process of how CFCs deplete the ozone layer. ... The use of CFCs became a success and was widely used. ... CFC production was a $28-billion-per-year industry. ... CFCs are such a substance. ... CFCs are transporters of the damaging chlorine molecule. ...

  • Word Count: 3086
  • Approx Pages: 12
  • Has Bibliography

5. Ozone Depletion

One of the substances they narrowed in on is the CFCs. ... This protocol would have had the CFCs reduced in half by 1998. ... They have a long life so CFC's make them hard to for the ozone to handle. ... CFC's have altered the natural ozone cycle in the stratosphere. ... Chlorine is a major and natural threat to ozone whereas CFC's are man made. ...

  • Word Count: 1635
  • Approx Pages: 7
  • Has Bibliography
  • Grade Level: High School

6. The Ozone Molecule

Countries began to show concern for the ozone layer in the 1970s when they put a ban on CFC's as aerosol propellants. However CFC production still rose as other uses were found for it. In the 1980s the rise in CFC use caused nations to increasingly worry about how the chemicals would continue harming the ozone layer. ... Originally the Protocol was supposed to drop CFC production by half by 1998. ...

  • Word Count: 487
  • Approx Pages: 2
  • Has Bibliography
  • Grade Level: High School

7. Global Warming

Chlorofluorocarbons (CFCs human manufactured (not naturally occurring) manufactured since the 1930s +40s. ... increase of 4% per year Sources: refrigeration, air conditioning, propellants, aerosols Relative Contribution of the Greenhouse gases CFCs 10-15% CH4 - 12-20% O3 - 8 % N2O - 5% Total: 40-50% CO2: 50-60% Environmental Impacts green plants and the biosphere (natural and domesticated) hydrology: Sea-level changes (predicted to rise), ice cap and glacier melting. ... Controlling the gases Direct Measures reduce output of gases (fossil fuel burning, CFCs, ruminan...

  • Word Count: 517
  • Approx Pages: 2
  • Grade Level: High School

8. ozone

The most debated of the gasses, Fluorocarbons (CFCs), now come into view. ... The flaws in the CFC theory overshadow its relevance. ... tries in the world will ban CFCs in the year 2000 due to the Montreal Protocol. ... The major blame of the environmentalist goes to fluorocarbons or CFCs. ... This makes CFCs possibly the greatest mo...

  • Word Count: 4635
  • Approx Pages: 19
  • Grade Level: High School

9. Green House Effect

Once CFCs get into the atmosphere, they join with other chemicals that are already there. ... When the sun reappears over the horizon in October, it acts on the ice crystals and starts reactions between ozone and CFCs. ... During the 1990's, the use of CFCs was expected to be cut in half. ... A lot of people would still like to see an end to CFCs by the end of the century, which is not likely to happen. Scientists are not sure if the ozone layer will ever recover completely even if CFCs are taken away. ...

  • Word Count: 1009
  • Approx Pages: 4
  • Has Bibliography
  • Grade Level: High School

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