Yellowknife’s Toxic Legacy
During more than half a century of mining, 19,000 tonnes of arsenic trioxide dust went up the stacks of smelters at the Giant and Con mines and settled on the once-pristine land and lakes in and around Yellowknife. Though recent scientific research shows that much of the arsenic that went up the stacks is still in the water, sediment and soil, officials and governments have yet to reckon fully with the environmental and human risks.
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