Carbon markets have been hijacked by speculators and should be replaced with direct taxation, says Friends of the Earth
US Department of Energy provides Alaska, Kansas, Utah and West Virginia with cash for energy efficiency and green job projects
WWF hopes deal will encourage more retailers to shun non-certified palm oil
Meetings in Barcelona suspended as coalition of African countries refuses to discuss technical issues until industrialised nations put forward detailed commitments
Manufacturers offered up to £250,000 in funding to help develop new energy-saving technologies and practices
Appliance firm announces it wants all its products to be smart grid-enabled by 2015
Industry warns that the government's Clean Energy Cashback scheme does little to boost the economic case for onsite renewable energy
Despite concerns about whether or not the meeting will result in any real and lasting agreements, the European Commission believes Copenhagen will benefit European companies
Report urges governments to lead carbon capture and storage projects as high costs deter private sector
Solar Technology Roadmap Act now faces Senate vote