Democratic Party
Senate compromise climate bill proposal expected this week
Aides suggest Kerry-Lieberman-Graham plan will include a number of different options
Report reveals slow start for Obama's green home vision
But Department of Energy insists rollout of green home makeovers is now accelerating
Big firms drop support for US climate bill
BP America, Caterpillar and Conoco end support; opponents claim climate law is dead in the water
Obama poised to flick switch on new generation of nuclear reactors
Administration to announce first award of $8.3bn in loan guarantees for two new reactors
US towns not waiting for cap and trade to subsidise renewables
Cities and states are introducing unilateral renewable initiatives and targets
Research shows US political system biased against green laws
Over-representation of rural interests in the Senate means US will struggle to pass environmental legislation
US agencies take action on buildings efficiency
EPA and DoE form action group
Obama steps up climate push with federal emission targets
White House announces target to cut federal greenhouse gas emissions 28 per cent by 2020
Obama signals support for bipartisan climate bill
He might not have said much about climate change, but president Obama's State of the Union address made it clear he is pushing forward with climate legislation
Alaskan senator seeks to block EPA's power to regulate greenhouse gases
Lisa Murkowski pledges to use obscure measure in attempt to strip powers from the Environmental Protection Agency
Obama's climate change plans attacked from all sides
Massachusetts election defeat and Republican plan to block Environmental Protection Agency from regulating carbon threaten to leave the president's climate change strategy in tatters
White House signals support for low carbon transit plans
New rules to help accelerate the flow of cash for transit projects designed to curb carbon emissions
Obama unveils $2.3bn in clean technology tax breaks
More than 80 projects awarded tax credits as Department of Energy announces fresh $100m in green skills funding
Obama administration proposes smog cleanup
EPA puts forward tough new air quality standards that would force local authorities to reduce smog levels
New role for Chinese negotiator sparks speculation over Copenhagen fallout
He Yafei shifted from position in foreign ministry after clashing with Obama and Merkel at Copenhagen
Gordon Brown pushes for 'Plan B' Copenhagen deal
Last ditch effort to salvage agreement as Obama meets with Wen Jiabao
Copenhagen teeters on the brink of failure
Leaked documents reveal negotiations are heading for staggeringly weak agreement
Updated: Copenhagen could enter extra time
Confusion reigns as UN Secretary-General reportedly asks world leaders to extend their stay in Copenhagen in last-ditch effort to reach agreement
President Obama's Copenhagen speech - in full
US President Barack Obama this morning addressed the Climate Change Summit in Copenhagen - here is his speech in full
Obama calls for global compromise in last-ditch effort to reach Copenhagen deal
US president insists movement is needed on all sides to reach workable accord
White House set to increase clean energy tax credits by $5bn
Huge increase in tax breaks proposed for manufacturers in the wind, geothermal and solar sectors in the US as part of wider job creation programme
Despite progress, Copenhagen is on brink of "farce", Miliband warns
Encouraging moves on climate funding, deforestation and the US climate bill are all overshadowed by increasingly fractious row over future of Kyoto Protocol
Bipartisan group of senators tables compromise climate bill
Moderate Democrats and Republicans increasingly confident they can secure the 60 votes needed to pass cap-and-trade legislation
Obama backs Brazil-Norway forest protection plan
As Google debuts new deforestation tracking tool, president's backing for REDD plan increases chances of forest protection deal