National Geographic has a calculator for a personal energy footprint. It is also possible to compare your footprint with averages across the United States. Calculate your own here: http://environment.nationalgeographic.com/environment/energy/great-energy-challenge/personal-energy-meter/
The picture above shows a "Greendex" image of the globe shows the results of the third annual National Geographic/GlobeScan "Consumer Greendex," a scientifically derived sustainable consumption index of actual consumer behavior and material lifestyles across 17 countries. Read more: http://environment.nationalgeographic.com/environment/greendex/
