Future linkages may be in the pipeline with China, South Korea, California and Switzerland

Figures show almost half of the major car companies' fleets already have average emissions below the 2015 limit of 130g of CO2 per km

From Mitt Romney's attack on green jobs to a revived Severn Barrage, we run down the top stories from the past seven days

Carbon-credit generating slow-cooking device launches in Rwanda after bagging Unilever deal

10,000 mile flight aims to showcase fuel made from plastic waste as a viable alternative to conventional fuels

Government-sponsored research finds support for national rollout, but only half of householders are aware of smart meters

Environmental groups argue new routes from London to Manchester and Scotland are flying in the face of the company's green commitments

UK start-up to continue work on solar film with newly-formed Azuri concentrating on expanding into off-grid markets

BusinessGreen's Young Sustainability Executive of the Year on steering solar start-up Engensa through turbulent times

New industry body-backed index will allow companies to track environmental impact of their products down the value chain