Republican party

Reports suggest president Obama is preparing to make climate action a centrepiece of his State of the Union address, but Republicans remain deeply opposed to White House agenda

Environmental Protection Agency expected to announce new measures to cut methane emissions 45 per cent by 2025

'If this bill passes this Congress, the president wouldn’t sign it'

President gives clearest indication yet that he is deeply sceptical about case for controversial tar sands pipeline

Bill just fails to secure the 60 votes it needed to pass, but second Senate push could be made in the New Year

Controversial bill supporting project will be debated in the Senate after winning House approval, but President is expected to veto it

Department of Energy report forecasts $5bn return from Federal programme Republicans tried to end after collapse of Solyndra

A Republican-controlled Congress spells bad news for the green economy and UN climate change talks, but will it prove as disastrous as some environmentalists fear

President says members of congress are feigning ignorance of science because they fear backlash from 'fringe elements'

As President announces new $1bn to improve climate resilience, he likens those who reject climate science to people who believe the moon is "made of cheese"