Ecological Footprint
Your ecological footprint is the amount of land it takes to support your lifestyle. The average American uses about 24 acres of land to support him or herself. Worldwide, there are 4.5 acres of biologically productive land per person. Your Ecological Footprint is a measure of the sustainability of your life-style. Find out more by checking out the following links:
Ecological Footprint Calculators
The Best Foot Forward Calculator
Ecological Footprint Analysis
Once you've calculated your Ecological Footprint, find our more about what it means. Both sites above will help you interpret your footprint and suggest steps on reducing your footprint.
Find out more, including what you can do about it, by checking out the book titled Sharing Nature's Interest.