World's 5 Biggest Oil Spills

Over two decades after the devastating Exxon Valdez oil spill off the coast of Alaska, significant quantities of oil can still be found covering the state's shores and beneath gravel beaches, a new study has discovered. Over 21,000 gallons of crude oil remains of the 11 million gallons of crude oil that gushed from the stranded tanker Exxon Valdez on the night of 23 March 1989. Traces of Valdez's oil have been detected as far as 724km away from the spill-site in Prince William Sound, and the toxic film that coats Alaska's shores remain a danger to wildlife, entire eco-systems and the lives of local people.

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