Disclosure forms from 2008 reveal Louisiana district judge held shares in Transocean, Halliburton and a host of oil firms
Sir David King says politicians have "heads in the sand" over oil supply risks
Report warns kick-backs for fossil fuels are skewing energy markets and holding back renewables investment
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