The Forest Where We LiveWhat is Your Carbon Debt?

Carbon Debt Calculator

This interactive form will help you calculate the amount of carbon dioxide that your household is responsible for releasing into the air through energy use and other activities, and let you estimate your impact on global warming.

Household Energy Use:

Check your utility bills or call consumer representatives at your utility companies to determine how much energy you use at home, including electricity, heating oil, and natural gas.
Electricity:kWh
Heating Oil:gallons
Natural Gas:therms
Propane/Bottled Gas:gallons

Household Waste:

Now, estimate the amount of trash your household generates per year. Figure about seven pounds per paper grocery bag, 13 pounds for a 10-gallon trash bag, and 40 pounds for a large trash bag.
Trashpounds
Recycled itemspounds

Automobiles:

How much gasoline does your household use each year? Divide the total number of miles each car is driven by its miles-per-gallon performance to calculate the total gallons used in a year. Be sure to add in any oil and gas used in lawnmowers and other internal combustion engines.
Total gasoline use:gallons
How many cars in your household have air conditioning? 

Mass Transit:

How many miles do you travel each year using each of the following modes of transit?
Air travel:miles
Bus, urban:miles
Bus, intercity:miles
Train and Subway:miles
Taxi:miles

Based on the article "Carbon Debt: Restoring the Balance," by Dan Smith, American Forests, Autumn 1996. Adapted with permission of the author.

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