global warming: fact or fiction?
DESCRIPTION
Global Warming: Fact or Fiction?. Greenhouse Effect. Solar radiation absorbed/reflected from earth Infrared radiation emitted/reabsorbed in atmosphere. http://www.neaq.org. Al Gore’s Inconvenient Truth. Increased CO2 Emissions . http://staffwww.fullcoll.edu/tmorris/whatisglobalwarming/. - PowerPoint PPT PresentationTRANSCRIPT
Global Warming: Fact or Fiction?
Greenhouse Effect
•Solar radiation absorbed/reflected from earth
•Infrared radiation emitted/reabsorbed in atmosphere
http://www.neaq.org
Al Gore’sInconvenient Truth
Increased CO2 Emissions
http://staffwww.fullcoll.edu/tmorris/whatisglobalwarming/
Increased Global Temperatures
http://www.bigskyco2.org
Temperature Deviations
http://media.newsobserver.com/content/news/health_science/global_warming/story_graphics
Melting Ice Regions
•Arctic
http://www.psr.org
Melting Ice Regions
•Greenland
http://greeninstitute.net/files
Melting Ice Regions
•Antarctica
http://ascottishview.files.wordpress.com
Melting Ice Regions
•Antarctica
•Particularly in the peninsula
http://inel.files.wordpress.com/2007/09
Changing Weather
•Higher Temperatures
•More Moisture
•Turbulence
•Water is rerouted
Flooding
Some areas receive more rainfall
Drought
Some receive less
Soil evaporation
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
Skepticism
Skepticism
•Less Cloud Cover
•Increased absorption of radiation
Skepticism
•Increased temperatures
•Increase cloud cover
•Increases deflection of radiation
Skepticism
http://www.digitaljournal.com
Skepticism
•Republican•Democrat
http://www.newrules.org
Skepticism
So What?
What We Can Do