The global market in carbon trading tripled last year to over 36...

The global market in carbon trading tripled last year to over 36 billion dollars and will continue to grow rapidly.

Carbon trading is seen as a alternative to directly imposing emisssion limits that would slow the growth of many companies.

By purchasing credits from companies such as CO2,businesses can show they have reduced their enviromental foot-print without having to cut back on their production effecting their bottom line.