Copenhagen

Developing nations will be expected to commit to action on energy efficiency and renewables, says US delegation in Bonn

Official announces threefold rise in targets for installed capacity of both wind and solar by 2020

Government hails 23 per cent cut in emissions since 1990 as evidence "there is an alternative" to a high carbon society

US insists that demands for emission cuts of between 25 and 40 per cent by 2020 remain unrealistic

John Kerry hails "most constructive and productive discussions" for the past 20 years

Summit of top business leaders closes with release of manifesto declaring support for meaningful successor to Kyoto

European Commission calls for ambitious carbon-trading agreements ahead of UN Copenhagen conference

With the historic Copenhagen climate change conference fast approaching, the UN releases its first "real negotiating text"

Obama could seal accord on cutting emissions by autumn

Government report calls for radical overhaul of global institutions to combat climate change