US exchange to benchmark environmental performance of companies across 13 sectors with further regional indices to follow
Global Wind Energy Council chief predicts capacity will surpass 400GW by 2014
By 2020 the Scottish government aims to meet 80 per cent of the country's energy demand with electricity generated from renewable sources
Committee on Climate Change recommends dropping proposals that would cap carbon allowances for firms covered by the CRC scheme
Vattenfall's 300MW Thanet wind farm means the UK now has more offshore wind capacity than all other countries combined
Electronic giant announces $305m deal to acquire US solar outfit Recurrent Energy
Government has $880,000 to spend and it wants to give it to marine energy projects
Technology must demonstrate it can be competitive without public funds, say investors
Clipper in talks with largest shareholder as wind turbine firm admits it is facing "significant liquidity strain"
State governments losing patience with federal dithering