New goal would require US state to cut emissions 40 per cent below 1990 levels by 2030
California may already be the US state with the most ambitious climate targets, but it is now set to stretch its emissions goal even further with the introduction of new binding targets to slash emissions...
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