ScienceDaily (Mar. 21, 2007) — Some 18 years after the Exxon Valdez ran aground and spilled nearly 11 million gallons of crude oil into Alaska's Prince William Sound, the oil continues to cause environmental problems along some of Alaska's shoreline. To help determine why the oil continues to linger long after experts predicted it would disappear, Temple University has been awarded a three-year, $1.2 million grant by the Exxon Valdez Oil Spill Trustee Council.