Climate groups sue US government over approval of new BP project in Gulf of Mexico

Advocates expressed alarm as new project drills deeper into ocean bed, pointing to company’s failures at Deepwater Horizon spill

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Environmental groups have sued the Trump administration over its approval of BP’s huge new ultra-deep oil drilling project in the Gulf of Mexico, 16 years to the day since the company’s Deepwater Horizon disaster caused the worst oil spill in US history.