Download - Global Warming: Fact or Fiction?
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Global Warming: Fact or Fiction?
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Greenhouse Effect
•Solar radiation absorbed/reflected from earth
•Infrared radiation emitted/reabsorbed in atmosphere
http://www.neaq.org
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Al Gore’sInconvenient Truth
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Increased CO2 Emissions
http://staffwww.fullcoll.edu/tmorris/whatisglobalwarming/
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Increased Global Temperatures
http://www.bigskyco2.org
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Temperature Deviations
http://media.newsobserver.com/content/news/health_science/global_warming/story_graphics
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Melting Ice Regions
•Arctic
http://www.psr.org
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Melting Ice Regions
•Greenland
http://greeninstitute.net/files
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Melting Ice Regions
•Antarctica
http://ascottishview.files.wordpress.com
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Melting Ice Regions
•Antarctica
•Particularly in the peninsula
http://inel.files.wordpress.com/2007/09
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Changing Weather
•Higher Temperatures
•More Moisture
•Turbulence
•Water is rerouted
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Flooding
Some areas receive more rainfall
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Drought
Some receive less
Soil evaporation
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Self Correcting Problem?
•New York
•Los Angeles
•San Francisco
•Beijing
•India
•634 million people*
•Asia and poor nations at greatest risk
*http://www.usatoday.com/weather/climate/globalwarming/2007-03-27-sea-level-rise_N.htm
http://thevibe.socialvibe.com
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Skepticism
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Skepticism
•Less Cloud Cover
•Increased absorption of radiation
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Skepticism
•Increased temperatures
•Increase cloud cover
•Increases deflection of radiation
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Skepticism
http://www.digitaljournal.com
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Skepticism
•Republican•Democrat
http://www.newrules.org
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Skepticism
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So What?
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What We Can Do
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