City's tourism industry is third largest in the USA, but climate change is driving up its mild temperatures
Sunny skies and mild temperatures are a trademark of San Diego, which help make its tourism industry the third largest in the country - amounting to nearly $9.9bn annually, which translates to a regional...
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