Your carbon footprint is reduced by the equivalent amount of carbon offset purchased from emission reduction projects like dairy farms and wind turbines. (terrapass.com)
Your carbon footprint is reduced by the equivalent amount of carbon offsets purchased from emission reduction projects like dairy farms and wind turbines. (terrapass.com)
Heck, in many cases it doesn't offset any purchases, as you can have it deposited into a bank account. (thecollegeinvestor.com)