Birds living within 7 km (4 miles) of such gold mining activity were found to have mercury concentrations over four times higher than those living at other sites across the tropics of Central and South America, according to the study published Tuesday in the journal Ecotoxicology.
read more... https://www.reuters.com/business/environment/gold-mining-spreads-mercury-tropical-birds-study-says-2023-11-01/
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