Fossil Fuels and Deforestation.

Fossil Fuels and Deforestation. - Earth 2 Tuesday, April...

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Tuesday, April 27th, 1999 Announcements: The final exam is scheduled for Monday, May 3. The exam concentrates mostly on the last 1/3 of the notes, however, it is cumulative. Lecture notes: Global Warming Driver : the combustion of fossil fuels and deforestation . Human subset also produces CFC's, nitrous oxides, and methane. Issue : gases are selective absorbers Result : some form of global warming Future : can be seen through 1) Observations 2) Models Response : (these all help to make decisions) Uplacement (for driver)? Economics Valuation (of environment) Action : ? Stratospheric Ozone Driver : propelant; solvent; air conditioning Issue : chloroflourocarbons (from the air conditioning) Result : stratospheric ozone depletion. ..ending up with a loose chlorine atom acting as a catalyst Future : Destructed ozone "shield" will promote skin cancer, gene mutations, depression of immune systems, etc. Response
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Fossil Fuels and Deforestation. - Earth 2 Tuesday, April...

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