CO2 Is Not Our Enemy. Science Proves It. (Website)

CO2 is probably the best molecule ever for plant and animal life. The more CO2 the better!  The following website gives straight forward facts about CO2 and the environment.
http://www.plantsneedco2.org

Especially these sections of the website:
Critical Facts
Additional Facts
Myths Debunked

Global Warming And The Climate (Website)

There is a lot of great information on this website.

http://www.global-warming-and-the-climate.com/