USA

165,000-acre area off Massachusetts and Rhode Island with potential capacity of 3.5GW to be auctioned in two parts in July

Projects set to be built on federal land in Arizona and Nevada as IKEA completes latest rooftop solar system

Tech giant moves forward with $100m green energy programme as deal signed to install fuel cells at three major US facilities

"If everybody had to pay the true cost of bringing their product to market, wind and solar would demolish the incumbents"

For Robert F. Kennedy Jr giving fossil fuel firms freedom to pollute is a far greater distortion of market principles than any of the subsidies granted to clean energy

Green campaigners hope move will pave the way for ground-breaking global climate deal in 2015

The vast majority of clean energy investment not coming from VCs is actually a positive indicator for the maturation of clean energy markets

Representatives approve bill declaring that controversial oil pipeline from Canada does not need president's permission

MIT physicist replaces Steven Chu with unanimous Senate backing

Clean tech start-ups invited to join UK Trade and Investment backed "entrepreneur missions"