Greg Barker to unveil scheme to bring wave and tidal prototypes through to commercial stage

University of East Anglia study shows greenhouse gas emissions from water treatment processes and transportation are often overlooked

TFL and City of London publish conflicting reports on value of central LEZ

Anaerobic Digestion industry welcomes government strategy to boost sector but urges for coalition to go further

Weak government policy means that compared to Europe green issues are rarely considered in American boardrooms

But European wind energy sector calls for further action to eliminate discriminatory practices favouring Chinese wind turbine manufacturers over imports

Major report finds sustainable forest management increase of some three million hectares a year since 2005

Former university of Alex Salmond and Prince William files planning permission for 12MW wind farm

California manufacturer plans to produce up to 15,000 luxury electric vans a year from end of 2013

Utility will give £10 a year to energyshare fund for each customer registered to new green tariff