Carbon Offsets — Buyer Beware

"Congress began investigating the carbon offset industry this week. The inquiry could produce some 'inconvenient truths' for Al Gore and the nascent offset industry."

"Last year, offsets representing 23.7 million tons of CO2 were sold to businesses and consumers. Sounds like a lot of CO2 emissions were avoided, except when you consider that annual natural emissions of CO2 amount to hundreds of billions of tons."