European Union

As Mexico becomes first major emerging economy to set emissions targets, EU leaders insist they remain hopeful climate deal can be done

Optimism waning as Germany accused of seeking to undermine emissions trading scheme

Brussels deal will allow electric cars and trains using renewable power count towards controversial 10 per cent biofuel target

As EU unveils plans to ban incandescent bulbs, deal on renewables targets is finally reached

Cuts in car emissions to be phased in between 2012 and 2015 as environmentalists accuse member states of watering down original proposals

International report argues support for green taxes jeopardised by failure to ring fence revenue for low carbon investments

But clock is ticking on proposed tailpipe emission legislation

Crucial vote on climate change package delayed until mid-December

Green groups call for sustainable policy and improved governance as nations seek to exploit arctic resources

Voluntary code requires signatories to embrace energy efficiency, procure greener products and report on energy use