Green Technology

Zerofootprint offers software and services that help your organization measure and manage its environmental footprint."

 For example, their "One Minute Calculators enable individuals to get a quick measure of their carbon footprint. After they input basic lifestyle information, the calculator will provide an estimate of a user’s carbon emissions in 60 seconds or less." 

There are 10 One Minute Calculators ... looking at the Earth Hour version I found that my family uses 11.45 ton / year of CO2.  By changing some variables like diet you can see the impact of various changes.

>>> Check it out.

Via:  zerofootprint  LINK