Rain falls steadily for five months a year in Guatemala, filling lakes and greening lush tropical forests. Yet a shortage of water is so severe that Guatemalans frequently take to the streets to protest...
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