There may be a few billion dollars to be made by some investment banks and hedge funds in carbon trading, but keep in mind that as of today, three of the six la

There may be a few billion dollars to be made by some investment banks and hedge funds in carbon trading, but keep in mind that as of today, three of the six largest companies by market cap are oil companies (ExxonMobil, PetroChina, Royal Dutch Shell), and another is a mining company with substantial interests in petroleum (BHP Billiton). These four companies alone add up to over a trillion dollars in market value. Also, the profits from purchasing carbon credits do not go directly into Al Gore's pocket. I don't have any idea where anyone would get such a stupid idea.