http://www.ipcc.ch/
http://dotearth.blogs.nytimes.com/
http://www.pewclimate.org/
http://audubonmagazine.org/
http://www.sierraclub.org/sierra/
http://www.onearth.org/
http://e360.yale.edu/
http://www.sej.org
http://www.enn.com/
http://www.usgbc.org/
http://www.realclimate.org/
http://www.janegoodall.org/
http://www.niehs.nih.gov/index.cfm
http://www.eoearth.org/
http://www.landinstitute.org/
http://go.ucsusa.org/calculator.html (carbon footprint calculator)
http://www.carbonoffsetsdaily.com/
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