Weathered oil from the Deepwater Horizon spill laps over protective boom material in Biloxi Bay, Mississippi.
Weathered oil from the Deepwater Horizon spill laps over protective boom material in Biloxi Bay, Mississippi. James Edwards Bates/Biloxi Sun-Herald/MCT
Weathered oil from the Deepwater Horizon spill laps over protective boom material in Biloxi Bay, Mississippi. James Edwards Bates/Biloxi Sun-Herald/MCT

Despite Gulf cleanup efforts, nature will have to do most of it

July 16, 2010 6:15 PM