Expert Says Oceans Are Turning Acidic

November 9, 2006 Expert Says Oceans Are Turning Acidic (AP)

In this file photo, Residents of the Kenyan coastal island of Lamu compete in a sailboat race on Thursday June 6, 2002. Experts say global warming could destroy ancient ruins and age-old settlements along the sea, such as the coastal island of Lamu in Kenya. (AP Photo/Karel Prinsloo)

(AP) -- The world's oceans are becoming more acidic, which poses a threat to sea life and Earth's fragile food chain, a climate expert said Thursday.

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