Speculation is mounting that the government is struggling to secure the support it needs to pass cap-and-trade legislation
CBI warns that forcing firms to report the same emissions data in different ways is driving up the cost of their environmental initiatives
Power station operator says subsidies and carbon price too low to justify use of biomass technology
Founding member of Western Climate Initiative quits carbon trading scheme over economic fears
BP America, Caterpillar and Conoco end support; opponents claim climate law is dead in the water
Study challenges conventional view that the ETS has failed, hailing the scheme's profound impact on the European energy sector
Executive Board approves 32 applications from Chinese wind farms for inclusion in CDM, but rejects a further six projects
Regional emissions trading schemes are springing up in China, India and Japan
Sulphur and nitrogen targeted by Clean Air Amendments
Environmental Audit Committee argues government should act to drive up lowly carbon price