Priorities in environmental research and management change. Ten years ago, we were largely concerned with eutrophication and warm water discharges into rivers. Although most scientists and managers were aware of the symptoms of poisoning by mercury, cadmium, and organo-chlorines, chemical disease was an area that the majority of environmentalists did not study. Consequently, there has been a surprising number of cases involving the exposure of humans and other organisms to chemicals. Some of the most significant examples include the Love Canal and Michigan incidents (Smith, 1980) and the closure of commercial fisheries in the lower Great Lakes. In retrospect, eutrophication and warm water do not seem that important, and it is easy to suggest that research money should have been spent in other areas.
KeywordsToxicity Mercury Cadmium Hydrocarbon Sarcoma
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