A great example of how people are sold on something being a good thing for the environment when instead it turns out to be a huge financial gain for "carbon credit" scammers
'Cash For Clunkers' Program Is Expensive Way To Cut Carbon Emissions, Expert Argues
"While carbon credits are projected to sell in the U.S. for about $28 per ton (today's price in Europe was $20), even the best-case calculation of the cost of the clunkers rebate is $237 per ton, said UC Davis transportation economist Christopher Knittel."
http://www.sciencedaily.com/releases...0814100109.htm