Senior figures warn that the president may need at least another six months to win domestic support for any proposal
Barack Obama may be forced to delay signing up to a new international agreement on climate change in Copenhagen at the end of the year because of the scale of opposition in the US Congress, it emerged...
Europe's biggest bank announces intention to halt financing for coal-fired power plants as part of low-carbon drive - but lists Bangladesh, Indonesia and Vietnam as exceptions
Canadian company EnviroLeach wants to make the process of "urban mining" less hazardous for humans and the environment
Launched this week, Daisy helps dissemble iPhones for reuse and recycling
No coal was used for power generation in the UK between 10.25pm on Monday and 5.10am yesterday, National Grid confirms