Chris Huhne announces doubling of North Sea oil rig safety inspections
Green groups claim environmental crisis highlights the urgent need for the Senate to pass US climate legislation
US Energy Information Administration downgrades projections for this year, but still expects global demand to rise by almost 1.5 million barrels a day
Virgin chief and fellow business leaders call for action
And Copenhagen wasn't a failure but a moment of reality
We're running out of oil, warns Total boss; no we're not, says Saudi chief exec
Renewables industry argues decentralised and diversified energy supplies could protect firms from seeing gas supplies cut off during cold weather
Scale of support to carbon-intensive industries is "scandalous", say Tories
Solray Energy stakes claim to world's largest algae refinery, which converts toilet wastewater to biofuel
Government study credits renewable energy law for flurry of wind farm projects