Sources

http://www.mansfieldct.org/schools/mms/staff/hand/convcondrad.htm

http://www.noaa.gov/climate.html

http://science.howstuffworks.com/global-warming2.htm

http://earthguide.ucsd.edu/earthguide/diagrams/greenhouse/

http://www.geology.iastate.edu/gccourse/model/co2/seedsci.html

http://www.aip.org/history/climate/timeline.htm

http://www.cnn.com/2008/TECH/science/03/31/Intro.timeline/index.html

http://www.eoearth.org/article/climate_change_timeline

Government Sources:

http://www.nytimes.com/2010/05/13/science/earth/13climate.html?adxnnl=1&adxnnlx=1274961717-+iFautOa6AsKQhpJxpdo3A

http://topics.nytimes.com/top/news/science/topics/globalwarming/index.html

http://www.nytimes.com/2010/03/10/science/earth/10climate.html

http://www.nytimes.com/2010/05/07/business/energy-environment/07energy.html

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Pics for Government Section:

http://commons.wikimedia.org