Oceanic dustbin ? The ill-starred July voyage of the Stella Maris gave wide publicity to a subject that has worried conservationists for some time, namely the dumping of industrial effluents at sea. The Stella Maris, a Dutch vessel, carried 600 tons of chemical waste classified as polychlorinated aliphatic hydrocarbons, an unwanted by-product of the plastics industry; it will be recalled that high...

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