Word: trenched
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Dates: during 1970-1979
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...adds, "this process of purification is easily and seriously disrupted by the introduction of the chemical byproducts of civilization." Near Marseille, a pair of big aluminum refineries each day discharge 6,000 tons of a red sediment into the Mediterranean. Though 80% of it funnels into a deep submarine trench, the remainder settles elsewhere on the bottom. "The problem," says Bombard, "is that this waste, though not toxic in itself, blankets and kills all living things. Moreover, this is an area where it is essential to have living water to purify the sewage of Marseille...