Yes Men group calls spoof press conference to highlight business group's opposition to climate legislation
New analysis suggests price of carbon in a US cap-and-trade scheme is unlikely to rise above the price floor proposed in the new climate bill
Senior officials and influential Senators indicate they are still hopeful that a US climate bill can be passed before Copenhagen
Energy secretary praises firms that have quit US Chamber of Commerce in protest at its opposition to climate legislation
Representatives of over 150 of America's largest firms step up campaign in favour of US climate legislation
White House official admits it is highly unlikely climate bill will pass before December
Barbara Boxer and John Kerry will provide fresh impetus to US push for domestic climate legislation
Scandal reveals fraudulent tactics were used by lobbyist to oppose US climate legislation
Scottish government sets target for 42 per cent cut in emissions by 2020
Legislation to bolster clean tech investment and roll out cap-and-trade scheme to go before Senate as soon as Obama takes office