But Connecticut State Treasurer's Office confident that talks on energy efficiency strategy could follow
Jane Lomas, workplace improvement manager at E.ON, explains how the energy giant is accelerating efforts to curb its own emissions
Supermarket giant steps up green push with plans for new " zero-carbon" store
Greenpeace inquiry highlights concerns over the rapidly expanding cattle trade in heartland of Brazil
Company claims it has exceeded its emission-reduction targets while increasing revenue from green products by more than 20 per cent last year
Investment programme to focus on green-collar training, insulation, double glazing and energy-efficient appliances
New fund forms part of £30m green investment programme for North West businesses
Ecotricity boss levels fresh allegations at rival, accusing it of continuing to mislead customers
As the government announces a new $500m biofuel fund, Enerkem secures approval for North America's first plant capable of turning municipal waste into biofuels