EnvironmentThe lesson of the Deepwater Horizon oil spill To ensure that it takes the risks of deep exploration seriously, the oil industry must be made to clear up its own mess Opinion
EarthAlaska faces Exxon Valdez clean-up conundrum Two decades after one of the world's most devastating oil spills, doubts remain over whether to clean up the remaining pollution or leave well alone ¿ìè¶ÌÊÓÆµ