UN: Number of Ocean 'Dead Zones' RisesQuicklink submitted by Amanda Lang Permalink
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|The number of oxygen-starved 'dead zones' in the world's seas and oceans has risen more than a third in the past two years because of fertilizer, sewage, animal waste and fossil-fuel burning, United Nations experts said Thursday. Their number has jumped to about 200, according to new estimates released by U.N. marine experts meeting in Beijing. In 2004, U.N. experts put the estimate at 149 globally.|
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