NASA

EPA

NCDC

Global Change Research Program

Natural Resources Defense Council

European Envrionemental Agency

International Panel on Climate Change

http://www.ipcc.ch/pdf/assessment-report/ar4/syr/ar4_syr_spm.pdf

NOAA

http://www.exploratorium.edu/climate/index.html

http://www.realclimate.org/index.php/archives/2007/05/start-here/

http://www.climatechange.gc.ca/default.asp?lang=En&n=E18C8F2D-1

Purkis, Samuel J., and Victor Klemas. Remote Sensing and Global Environmental Change. Chichester, West Sussex, UK: Wiley-Blackwell, 2011. Print. (Link to companion website)