Guardian: We are going to the ends of the earth to find the next barrel of oil – but at what price? The as yet unstoppable oil spill gushing from a deepwater rig drilling for BP in the Gulf of Mexico looks set to have dire environmental and social consequences – for fragile ecosystems and wildlife, and for local residents and businesses. And let us not forget the 11 people who lost their lives in the explosion. But, as City investors who have watched $30bn (£20bn) get wiped off BP’s …