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White Sands – NM Gypsum sand
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Lake Lucerno Gypsum crystals
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GROUP QUESTION The Gypsum dunes in White sands constantly migrate NE, but never leave the park. How does this happen?
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How do Earth’s homeostatic systems work? … and how delicate is the balance?
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OZONE
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CFC’s – Chlorofluorocarbons – “inert” refrigerants and propellants
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Ozone has decreased globally by 3% over past 20 years by 7% over 40 years in Australia
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… and by 50% over past 25 years in Antarctica
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Individual PRS How is the decrease in stratospheric ozone related to global warming? A. Ozone destroys greenhouse gases B. Ozone is produced by burning fossils fuels C. Ozone can be used to make Oxygen
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Unformatted text preview: D. Glaciers trap large amounts of ozone E. They were both noticed at the same time What, if anything, have we done to reduce stratospheric ozone depletion? Global Warming and greenhouse gases Kyoto Protocol – negotiated 1997-1998-- went into effect Feb. 2005 after being ratified by Russia -- would result in dropping GHG emissions below 1990 level by 2012 What, if anything, will you do to reduce GHG emissions? Do you think the government needs to get involved and, if so, how? If we were to hold our rate of GHG production to 1990 levels, what climatic results would you expect?...
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This note was uploaded on 10/22/2011 for the course GLY 1000 taught by Professor Parker during the Spring '11 term at FSU.

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change - D. Glaciers trap large amounts of ozone E. They...

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