Personal Ecological Footprint Calculator

The Victoria government in Australia has a Personal Ecological Footprint Calculator which gives you how much ecological impact your current lifestyle is. If everyone on Earth lives like me, it will need 3.1, which we obviously do not have.

I shall reduce my ecological footprint by going greener.

BTW, if everyone on Earth lives like average Australian, we need 4 Earths.

Here is another list of Ecological Footprint Calculator.