The addition of heavy metals into the water system could impact the food chain.
Melting permafrost in the Arctic is releasing toxic mercury into the water system, potentially impacting the food chain, scientists say.
The researchers analyzed mercury in sediments in riverbanks and sandbars, tapping into deeper soil layers. The addition of the toxic metals poses an environmental and health threat to at least 5 million people living in the Arctic, the researchers found."We’re not facing a situation like Flint, Michigan," West said. "Most human exposure to mercury comes through diet."
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