It was 9:12 p.m. on March 23, 1989, when the Exxon Valdez ship, carrying more than 53 million gallons of crude oil, left for Long Beach, California. It was the beginning of one of the world's worst oil spills ever. The captain and the attendants had little concern when leaving the trans-Alaska pipe...

Oil is a product used by everyone, but sometimes oil is a problem. An oil spill is a leakage from an oceangoing tanker, pipelines, or other oil sources. Oil spills occur very frequently, and cause enormous ecological harm. About eight million barrels of oil are spilled each year. Tankers u...