Actor Emma Thompson has gone on an expedition with Greenpeace to raise awareness of the dangers of drilling for oil. She doesn't want to tweet, but Stephen Fry has told her to 'get a grip'
5 Sep 2014:
Energy economics expert Laura El-Katiri finds world oil markets have responded with surprising resilience in the face of uncertainty. But are prices set to rocket?
2 Sep 2014:
Halliburton provided the cement intended to seal the Gulf of Mexico well in the event of disaster and has been embroiled in an ongoing series of legal actions
Guardian Professional,2 Sep 2014:
The oil company has filed plans for offshore drilling but past safety blunders and operational failings in the region make it a high cost, high risk venture
18 Aug 2014:
The shale boom is a bubble waiting to burst as the economics of extraction falter and the trickle of bad environmental news turns into a flood
We look back at Apple's tech products, including game-changers such as the iMac and iPhone, curiosities like Lisa – and duds, like the 20th Anniversary Macintosh