After finding some of the pros and cons of cap and trade carbon schemes in the US, several studies were recently published on the carbon market's global bottomline: How much should energy-intensive industries pay for compliance?According to market analyst Point Carbon, global carbon markets could be worth almost €2 trillion (USD $3.1 trillion), with total transaction volume forecast at 38 billion tonnes carbon dioxide equivalent (Gt CO2e) per year by 2020.
