But analysts remain upbeat as volumes increase and new trading schemes come online
Overview of the carbon footprint of different streets and buildings on the horizon
Nine EUA auctions announced with the next due on 24 March
Export of goods to developed economies is the main driver behind expansion in China's emissions
Companies are rumoured to be selling off huge numbers of EUAs in desperate bid to raise cash, raising prospect of surge in carbon price come 2012
Despite falling carbon price, oil giant insists EU emissions trading scheme is driving investments in low carbon technologies
Each member state will be responsible for administering scheme to a number of airlines with the UK likely to manage almost 800 airlines' involvement
More than 3,700 firms to receive request for information on greenhouse gas emissions as Carbon Disclosure Project extends global reach
Experts predict €10 EUAs could represent good deal for long-term investors
Government to launch carbon tax and allow 10 new nuclear reactors in push to cut emissions 40 per cent by 2020