Emissions

Analysts calculate price of carbon credits for first year of US cap-and-trade scheme

Building overhaul and green transport schemes have saved £200,000 a year

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