Exxon Valdez

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When the Exxon Valdez went aground in Alaska in 1989, some of the oil hit Kenai Fjords National Park. Anne Castellina was the park superintendent at the time. She says the disaster still isn't over. Image: A fisherman carries an oil-soaked sea bird at the bird rescue center in Valdez, more than a week after the beginning of an oil disaster which occurred when the tanker Exxon Valdez ran aground on 24 March 1989 (Credit: Chris Wilkins/AFP/Getty Images)