Virgin chief and fellow business leaders call for action
Mercedes-backed consortium unveils all-electric cab with 120-mile range
Report predicts warming effects of melting sea ice and rising methane emissions will accelerate climate change impact
Joel Hagan, chief executive of Onzo, argues for a fundamental shake-up of the energy sector to create a Californian-style three-way split
And Copenhagen wasn't a failure but a moment of reality
Price paid for solar power will fall be as much as 44 per cent, says lobby group
But hybrids in US and Japan may need a software upgrade