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- 1. Ryan Larson Professor Klinkowstein Selected Business Article The Earths ozone layer is Recovering http://www.washingtonpost.com/news/morning-mix/wp/2014/09/11/try-to-keep-up-earths-ozone-layer-is- recovering-but-that-is-making-global-warming-worse/
- 2. Ryan Larson Professor KKlliinnkkoowwsstteeiinn • Humans have caused significant deterioration on the Ozone layer, but its recovering! ! • Specifically, the effect that the CFCs used in the 1970s had on the Ozone layer • Chloroflurocarbons • ODS (Ozone Depleting Substance) • The Montreal Protocol of 1987 • Leaders agreed to be more proactive about environmental issues • This would phase out the use of CFCs all together
- 3. Ryan Larson Professor KKlliinnkkoowwsstteeiinn Ethnographic Observation • We all need to worry about the world we live in • The use of CFCs was terminated long before our time • Nothing harms the ozone layer now as much as this did before the Montreal Protocol • ODS not used since 1987.
- 4. Ryan Larson Professor KKlliinnkkoowwsstteeiinn Ozone Depleting Substances • CFCs • Halons • Methyl Chloroform • Carbon Tetrachloride • Hydrofluorcarbons www.bcairquality.ca/101/ozone-depletion-causes.html
- 5. Ozone Layer Health • Scientists report to the U.N. every four years of their findings • 2006: • The Ozone layer hole was at its largest of 30 million square kilometers. • 2014: • It is about 20 million square kilometers currently • By 2050: • the Ozone layer at mid-latitudes will have reached the same condition it was in the 1980s • By 2075: • it should be about the same health at Antarctica, the most severely effected !