Source of persistent Gulf sheen remains a mystery

Officials say underwater inspections at the site of BP's Deepwater Horizon rig disaster have failed to identify the source of a persistent sheen on the surface of the Gulf of Mexico.

Learning lessons from BP oil spill

In an attempt to limit the harm of the Deepwater Horizon oil spill in the Gulf of Mexico in 2010, three million liters of dispersant were used to dissipate the oil. "The question is whether that was the best approach," said ...

UK lawmakers seek moratorium on Arctic drilling

(AP)—International governments should seek a moratorium on offshore drilling in the Arctic amid concern an oil spill in the region could cause catastrophic environmental damage, British lawmakers said Thursday.

Shell Alaska scales back Arctic drilling until next year

Shell Alaska has abandoned efforts to drill into hydrocarbon deposits in the offshore Arctic after the latest glitch on its troubled oil containment barge damaged the high-tech dome designed to contain any underwater oil ...

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