Mercury contamination levels in Great Lakes species up over last decade By JOSEPHINE MARCOTTY

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Contamination au mercure pour les espèces animales de la région des grands lacs

Une centrale au charbon en Pologne © AFP PHOTO / DAREK REDOS

Mercury emitted from American smokestacks has been declining for years. But contamination levels in loons, walleyes and some other species has actually increased in the last decade, according to the largest report yet on mercury in the Great Lakes region.

Miami Herald

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