New legislation would make 80 per cent of vehicles capable of being run on biofuels, but Texas wants a waiver over concerns about rising corn prices
New report claims shift to fuel cell vehicles requires massive increase in R &D and infrastructure investment
MBA graduates in the US claim they are willing to sacrifice higher salaries to work for ethical firms
As the former vice president maps out his vision for a carbon-free future the Bush administration confirms plans to expand Alaskan oil drilling
Scores out of ten to name and shame most polluting cars
Officials force decision on whether Clean Air Act can be used to cap US carbon emissions into inbox of next president
European Parliament seeking pact to head off threat of legal action from US carriers over plans to extend emission trading scheme to cover aviation
Carbon labels represent a great way of forcing firms to face up to their supply chain's carbon footprint. But how do these labels work and which one will win out in the end? Danny Bradbury investigates
New study claims US wind farms generate more tax revenue for the Federal coffers than they take in tax breaks
With support for a US cap-and-trade scheme growing attention is turning to how carbon credits should be allocated. Clark Williams-Derry argues auctioning for one and all is the way to go