IBM to join project to make one in 10 Danish cars electric
High profile project will now begin commercial operation in 2014
Regulator will rule that carbon dioxide is a danger to public health under Clean Air Act
Portugese utility sees floating platforms as means of cutting high costs of offshore wind farms
The US, India and China pledge support for international deal to curb use of Mercury – a deal that bodes well for Copenhagen
Campaigners from developing world write to Ed Miliband urging him to impose moratorium on coal plants or risk condemnation from poorer nations
Export of goods to developed economies is the main driver behind expansion in China's emissions
Green groups argue falling passenger numbers undermine case for airport expansion
Crop-to-mouth carbon footprint from capital's food consumption totals 19 million tonnes a year