Micro-inverter specialist to use funding to complete testing, roll out pilot projects and increase production

Campaigners call for urgent effort to save US climate bill, while some insist proposed legislation remains fundamentally flawed

Artificial islands promise to deliver zero carbon power from the ocean

Biodiesel made from beef byproducts fuels rail operator's first green train, cutting carbon emissions and improving air quality

Concentrated photovoltaic solar specialist completes $130m funding round in one of the most significant clean tech venture capital deals of the year

Airbiquity and Hitachi team up to develop new electric car data devices

Leading small wind turbine manufacturer set to treble the size of its premises after securing £1.5m in venture funding

Environmental groups shine spotlight on draft State Department report warning of severe climate impacts

Molycorp and Amyris file for stock market listings in sign the clean tech IPO market is finally warming up

Futuristic electric vehicle firm puts in place new technology partnership, promising impressive top speed of 90 mph for three-wheel car