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Ozone Depletion

Ozone Depletion. by Manuela B & Penelope L. What is the issue?. The ozone is depleting Chlorofluorocarbons (CFC’s) UV radiation will hit earth. How does this issue relate to weather?. CFC’s = Greenhouse gases Global Warming makes weather more extreme.

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Ozone Depletion

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  1. Ozone Depletion by Manuela B & Penelope L

  2. What is the issue? • The ozone is depleting • Chlorofluorocarbons (CFC’s) • UV radiation will hit earth

  3. How does this issue relate to weather? • CFC’s = Greenhouse gases • Global Warming makes weather more extreme

  4. How does this issue relate to climate change? • Greenhouse gases cause Global Warming • Atmosphere gets warmer • Stratosphere gets cooler, ozone depletes more.

  5. What evidence is there that this issue exists? • GMD measures the ozone levels - 20 years • Dobson spectrophotometer

  6. Relevant Chemistry Concepts • Ozone = O3 (O + O2) • CFC = Chlorine, Fluorine, Carbon. • Chlorine breaks apart the ozone

  7. Who does this affect the most? • EPA: Before 2075... 60 MILLION GET CANCER. • EPA: 17 MILLION more have cataracts • Less trees = more CO2

  8. Why should we care about this issue • Affects growth of trees so less CO2 will be destroyed • Ozone stops UV radiation from hitting earth • UV radiation = skin cancer, cataracts, other illnesses

  9. What can we do about this issue? • CLOSE YOUR FRIDGE • WALK, USE MBTA, CARPOOL, DRIVE ALONE LESS. • Reduce CFC’s (found in aerosol cans, refrigerators, freezers)

  10. Bibliography “Atmosphere.” Global environment. http://www.admwebstudios.co.uk/, 2002. Web. 13 Jun 2012. <http://www.admwebstudios.co.uk/Atmosphere2.htm>. Johansen, B.. "The relationship of Ozone Depletion and the Greenhouse Effect." The global warming desk reference. Greenwood Press., 2010. Web. 13 Jun 2012. <http://www.ratical.org/ratville/ozoneDepletion.html>. "Ozone Depletion." Earth System Research Laboratory. National Oceanic and Atmospheric Administration, n.d. Web. 13 Jun 2012. <http://www.esrl.noaa.gov/gmd/about/ozone.html>. "Ozone Depletion- Effects." Oracle. think quest. Students for Students, n.d. Web. 13 Jun 2012. <http://library.thinkquest.org/26026/Environmental_Problems/ozone_depletion_-_effects.html>. "Ozone Hole." Environmental Science: In Context. Ed. Brenda Wilmoth Lerner and K. Lee Lerner. Vol. 2. Detroit: Gale,2009. 658-660. Gale Virtual Reference Library. Web. 30 May 2012. Welch, Charles. "CFCs." theozonehole.com. theozonehole.com, 2011. Web. 13 Jun 2012. <http://www.theozonehole.com/cfc.htm>.

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