Bob MacLean

Dr. Bob MacLean, Audubon Institute senior veterinarian, releases a sea turtle that had previously been impacted by oil from the Deepwater Horizon oil spill, back into the Gulf of Mexico, 45 miles off the coast of Louisiana, on Oct. 21, 2010. (AP Photo/Gerald Herbert, File)

Ten years after the nation's biggest offshore oil spill fouled its waters, the Gulf of Mexico sparkles in the sunlight and its fish are safe to eat. But scientists who have spent $500 million dollars from BP researching the impact of the Deepwater Horizon disaster have found much to be concerned about.

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Bob MacLean

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