GREAT LAKES

BY MONICA DOBIE, in Montreal, Canada
THE GREAT Lakes of Canada and the United States, in particular Lake Erie, suffered the highest levels of pollution in the sixties and seventies, attracting global attention and concern to urgently clean the waters that at their peak pollution levels actually caught fire.

Around 25 per cent of the pollution was attributed to phosphorus used in detergents, the remainder was due to industrial toxic waste dumped into the lakes, and sewage from an ever-increasing population, who were not served with adequate treatment ...


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