For decades the people of Grassy Narrows First Nation were told the toxic mercury dumped in the river by a paper mill in the 1960s would eventually go away.
As the neurotoxin marched its way up the food chain, poisoning the fish that the people ate, they took cold comfort in the government’s assurances that the mercury threat would diminish over time.
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The paper mill in Dryden, Ont., seen here in 2017.
Jayme Poisson / Toronto Star
Effluent from the mill is being pumped into the river through a grating at the bottom that bubbles up, according to scientists who worked on the new study that found sulphate from the mill is worsening the …