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Word Count: 755
When it comes to the topic of harmful gases in our Earths atmosphere the fluorinated gases are often forgotten in the discussion Our Ozone Layer is so important because it keeps out the harmful UV radiation that the sun rays on us It is said that Chlorofluorocarbons or CFCs for short are one of the main reasons for the depletion our Ozone Layer They also account for 20 percent of the total mix of atmospheric greenhouse gases that are said to be contributing to the warming of our earth Jerry Silver Global Warming page134 One of the main problems with CFCs is how stable they stay in nature Once released into our atmosphere they can stay there for 20-100 years Guy Dauncey The Climate Challenge page 271Like most of the things we do to our world and even ourselves we carelessly do or use things forgetting about the negative consequences the will or may have in the future This was the case for CFCs as well CFCs were so popularly used because they had chemical and physical properties that allowed them multiple uses while still staying stable Holes in Ozone Layer of Earth These compounds were low in toxic levels noncorrosive non-flammable nonreactive with other substances and also have favourable boiling points Production and Use of Chlorofluorocarbons Some of the many uses of CFCs were being one of the primary components in refrigerators and air-conditioning units production of plastic foams cleaning products for electronic parts as well as being a propellant for products in aerosol cans Production and Use of ChlorofluorocarbonsThe earliest cautions came in the early 1970s where scientists at the University of California Irvine discovered that CFCs persist for 20100 years in the region of the atmosphere known as the stratosphere and that the CFCs became broken apart by incoming ultra-violet light The destruction of the CFCs releases chlorine It was proposed and later proven that the freed chlorine destroys the Ozone
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