From Branson's Peak Oil fears to the Lords' Climategate concerns, we run down the top stories from the past seven days
Suit requests permanent injunction barring Mitsubishi Heavy Industries from using two pieces of turbine technology
Regional emissions trading schemes are springing up in China, India and Japan
Controversial reductions in German feed-in tariffs could be held back until the summer
Chief executive remains bullish over outlook as company confirms it already has 8GW of orders in place for 2010
Global consultancy's newly appointed global head of climate change and sustainability Nick Main argues clearer regulation is needed to drive adoption of low-carbon business models
Reductions proposed by the EU represents a 16 per cent decrease on 2007 levels, lower than most developed countries
Cities and states are introducing unilateral renewable initiatives and targets