Calculate your Ecological Footprint
Your ecological footprint is the area of land and water needed to supply the resources that you use and absorb the waste that you produce on a daily basis.
A sustainable footprint is 4.5 acres/person, because that's the limit to what the Earth can provide for each of us 6.5 billion people.
The average American footprint is 24 acres. To find out how sustainable your footprint is, visit: