Special report: carbon trading

Energy Risk Environmental Rankings 2011

The price of carbon under the EU ETS, which has plunged this year on the back of the fragile European economy, is now far below the price needed to prompt investment in clean technologhy. This is causing some people to question the effectiveness of the scheme. We gauge the opinion of experts on the outlook for the EU ETS as preparation begins for the third phase in 2013.

We look at whether including aviation in the scheme next year will give it a lift, and we also bring you the results of the En