By Tim Kelly By Sandi Doughton the Seattle Times Climate models predicted it wouldn't happen until the end of the century.

By Sandi Doughton, Seattle Times May 23--Climate models predicted it wouldn't happen until the end of the century.

Forget about sea levels rising as glaciers and polar ice melt, and increasing water temperatures affecting global weather patterns. As the oceans absorb more and more carbon dioxide and other greenhouse gases, they're gradually becoming more acidic.

By Dan Vergano Corals and shelled sea creatures face an uncertain future in oceans made increasingly corrosive by the industrial emissions that fuel global warming, a government report warned Wednesday.