Meanwhile, the tailings from illegal mining may contain mercury, a metal used to separate gold from the earth, which poses health risks. A study by the Federal University of Western Pará examined the situation in eight communities of Tapajós and Santarém. Of the 462 adults tested, 75% had mercury levels in their blood above the World Health Organization's safe limit
read more... https://dialogochino.net/en/extractive-industries/58783-mining-amazon-history-of-hope-and-conflict/
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