Calculate Your Carbon Footprint

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The EPA defines a carbon footprint as the amount of greenhouse gasses emitted into
the atmosphere each year by a person, household, building, etc. Also according to the EPA, the average carbon footprint for 2-person household in the US is 41,500 pounds a year. Here are a few websites that offer carbon footprint calculators:
http://coolclimate.berkeley.edu/

http://lowimpactliving.com/

http://www.terrapass.com/