- 1). Multiply your average monthly electricity bill -- rounded to the nearest dollar -- by 105.
- 2). Multiply your average monthly gas bill by 105. If you do not use gas, the figure will be zero.
- 3). Multiply your average monthly oil bill in dollars by 113. If you do not use oil, the figure will be zero.
- 4). Calculate the total yearly mileage of all of your vehicles. Multiply this figure in kilometers by .79. If you do not own and operate a car, the figure will be zero.
- 5). Multiply the number of flights of 4 hours or less you take annually by 1,100.
- 6). Multiply the number of flights of 4 hours or more you take annually by 4,400.
- 7). Add 184 if you do not recycle newspaper. If you do recycle newspaper, add zero.
- 8). Add 166 if you do not recycle aluminum and tin. If you do recycle aluminum and tin, add zero.
Subscribe to our newsletter
Sign up here to get the latest news, updates and special offers delivered directly to your inbox.
You can unsubscribe at any time