US President Obama proposes to expand offshore oil and gas exploration in a bid to cut foreign energy dependency.
A call for a public inquiry into how to deal with waste from a planned Anglesey nuclear power station is backed by the Welsh Assembly Government.
Islanders on Bute are given formal approval to buy 1,700 acres of land from film director Richard Attenborough.
Greenpeace calls on technology companies to use more renewable energy sources to power their data centres.
Two of the UK's biggest energy providers announce plans for a new nuclear power station on Anglesey.
Wind turbine giant Siemens unveils £80m plans for a new factory in England which it says will create up to 700 new jobs.
A former worker at a wind energy firm which closed its factory on the Isle of Wight visits the company's new site in the US.
Green jobs were meant to be the solution to the economic downturn. So where are they?
Plans to produce tidal energy off the Cumbrian coast would endanger wildlife, according to the RSPB.
Masdar City, the world's first zero-carbon, car and skyscraper-free city, is being built in Abu Dhabi.