Waxman Markey

In high-risk move, Democrats vote Boxer-Kerry through key Senate committee despite Republican boycott

As leading Republicans dig their heels in, President Obama insists a consensus is building in favour of carbon legislation

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

IT giant "frustrated" by trade group's opposition to climate legislation

Senior Democrats are attempting to secure backing for the Boxer-Kerry climate bill

Legislation outstrips Waxman-Markey with proposal for 20 per cent emission cuts by 2020

Barbara Boxer and John Kerry will provide fresh impetus to US push for domestic climate legislation

Survey of businesses impacted by cap-and-trade scheme reveals talk of job losses accounts for little more than scaremongering