Carbon Footprint Calculator
There are several carbon footprint calculators online and they are updated regularly.
Here is a good placea to start to learn about your own carbon footprint.
http://www.ru.ac.za/environment/resources/carboncalculator
http://calculator.carbonfootprint.com/calculator.aspx
Here is a good placea to start to learn about your own carbon footprint.
http://www.ru.ac.za/environment/resources/carboncalculator
http://calculator.carbonfootprint.com/calculator.aspx