But renewable energy funding needs to double to $500bn annually to limit global warming, UN study warns

First of two biogas energy plants turns chicken manure into green electricity

Think tanks call on G20 leaders to act together to create the efficient low carbon markets

Carbon market faces months of uncertainty after controversial court decision sets precedent that could see six other countries raise their emission caps

Further consolidation in Chinese solar energy market expected as larger players seek to rapidly expand product lines

New EPA rules will require around 10,000 heavy polluters to report on their 2010 greenhouse gas emissions

State think-tanks suggest government impose carbon tax scheme by 2013

Latest awards take total stimulus funding for renewables sector through the $1bn mark

Reports of funding U-turn prompts stark warning from carbon capture industry

Investigation reveals landfill waste was shipped from UK to Brazil