Weakening of standards for new homes in Budget meant policy was "no longer zero carbon", campaign group says
WWF report says one in 17 cars by 2020 and one in six by 2030 must be electric if we are to meet emission targets
Major new survey reveals executives are reluctant to return to pre-recession levels of carbon-intensive flying
Denise Hamú welcomes efforts to engage business, but fears impact of biodiversity compensation schemes
Bank claims targeted green investment is a more effective method of addressing climate change than PR-led charitable donations
Report outlines steps needed to wean global economy off fossil fuels
Retailer now stocks almost 40 products certified as coming from sustainable sources
Vestas and WWF lead campaign to highlight products made solely using wind energy
New file format makes it impossible to print electronic documents
Report argues UK Climate Act is being undermined by lack of progress on transport and energy policy