Green gas on the grid

As excitement over anaerobic digestion's potential gains pace, Ecotricity, one of the UK's renewable electricity pioneers, is going into the gas game.

Biogas: from bad smells to big bucks

After years in the wilderness, biogas is set to play a major role in powering the future.

Florida and Vegas – green makeover

A solar-powered city is set to rise from the Florida swamplands. It’s just one of a series of newbuild idylls designed with green energy, transport and space in mind, which are changing the face of major US tourism destinations.