Page added on March 29, 2008
Plastic waste in the oceans poses a potentially devastating long-term toxic threat to the food chain, according to marine scientists.
Studies suggest billions of microscopic plastic fragments drifting underwater are concentrating pollutants like DDT.
Most attention has focused on dangers that visible items of plastic waste pose to seabirds and other wildlife.
But researchers are warning that the risk of hidden contamination could be more serious.
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