http://www.charlotte.com/breaking_news/story/499613.html

Duke Energy is giving its customers the option to purchase carbon offsets from their electricity generation processes.

Duke would turn that money over to green projects, such as planting trees or building wind farms. The offsets would be designed to balance carbon dioxide produced from day-to-day living and special events, such as taking a flight.

Charlotte Observer; February 19, 2008

Submitted by B. Shapiro