As London prepares to go to the polls to choose its new mayor, we round up the main candidates' green policies, from pollution proposals to energy ambitions
Early on the in campaign for the London mayoralty, commentators were roundly predicting this would be the year that green issues would dominate. But despite bold proposals from all of the key candidates...
Check out all the winners and highly commended finalists from the second annual BusinessGreen Technology Awards
James Murray's speech to the second annual BusinessGreen Technology Awards
The former Energy and Climate Change Secretary opens up about the benefits of regulation, his hopes for a solar-powered future, and his rows with George Osborne
Four world cities make radical commitment at C40 Mayors Summit in Mexico City in a bid to combat urban air pollution