New figures show UK military responsible for one per cent of national carbon emissions

Secretary of state for energy and climate change faces first grilling from committee set up to oversee his department

Joel Makower asks why, given the gloomy economic outlook, surveys of green consumers are delivering such positive results

Thin-film solar manufacturer claims to have produced modules at cost of 98 cents a watt

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