U of Houston's Climate Change

http://climatechangeeducation.org/, a site with links to other educational sources.

http://www.facingthefuture.org/Curriculum/DownloadFreeCurriculum/tabid/114/Default.aspx, a site with downloadable material.

http://www.princeton.edu/%7Ecmi/resources/stabwedge.htm, a site from the Princeton Climate Mitigation Initiative that describes 15 ways to reduce carbon emissions and contains a game for discussing those ways.

http://en.wikipedia.org/wiki/Comparison_of_United_States_presidential_candidates,_2008

The IPCC climate change scenarios, 2000

The IPCC climate change report, 2007, and a brief summation of the report can be found here

A talk by David Keith on geo-engineering and altering the Earth's albedo

http://www.columbia.edu/~jeh1/2008/TwentyYearsLater_20080623.pdf

http://labs.google.com/gaudi is a great place to hear a canditate's speeches on a subject

http://www.nphw.org/nphw08/default.htm, and http://www.nphw.org/nphw08/08_pg_facts.htm are useful sites on the human side-effects of climate change.

Green than thou, The Economist, Oct 2008 -- A report on energy and the environment as they appear in the election from one of the most popular business magazines.

http://www.sciam.com/article.cfm?id=geoengineering-how-to-cool-earth , an article in Scientific America on geoengineering