Additional Carbon Calculators:
Airhead
www.airhead.org/Calculator
American Forests
www.americanforests.org
Bay Area Commuting
www.rides.org/main/commutecalculator.htm
Bonneville Environmental Foundation
www.greentagsusa.org
/GreenTags/calculator_intro.cfm
Carbon Fund
www.carbonfund.org
Clearwater
www.clearwater.org/carbon.html (MS Excel)
Climate Trust
www.carboncounter.org
Energy Alternatives
www.energyalternatives.ca/sub_pages/AtmosphericCarbon.html
Global Action Plan Low Carbon Diet
www.globalactionplan.org/Files/LowCarbDiet.htm
PBS Nova: Your Carbon Diet
www.pbs.org/wgbh/warming/carbon
Texas State Energy Conservation Office
www.infinitepower.org/calculators.htm
www.vtearthinstitute.org/carbonwksht.html