New VAT rules to be introduced after officials arrest three people in connection with alleged £14m fraud
Firms covered by new emission trading scheme have just one month to put in place processes to measure energy use and carbon emissions
Company predicts rising demand for solar PV across Japan, Europe and the US
Annual General Meetings expected to see shareholders vote on proposals designed to challenge controversial tar sand projects
Report claims banks have been appointed to manage expected $3bn IPO
Green czar thinks low-cost heliostat technology could be available within a few years
Ecotricity sparks fresh row after slamming larger rivals for failing to back up green commitments with genuine investment
With Siemens and Mitsubishi the latest engineering giants to invest in the UK's renewables sector and more on the way, perhaps it's time to realise the low-carbon revolution is already upon us
Marine Current Turbines raises a further £4.8m as it moves forward with plans for north Wales tidal energy farm
Energy efficiency and marketing to be the big winners as sustainability budgets recover