Date of Video: Dec. 3, 2010
Techniques used after the 1989 Exxon Valdez oil spill—such as washing sand and returning it to beaches—are helping to clean Gulf of Mexico coasts affected by the oil spill.
Published: January 4, 2011, 10 pm Revised: March 5, 2011, 10 pm Author(s): Mallory Nomack
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