Studies/Reports, Sustainability

Metals from Bolivian mines affect crops and pose potential health risk, study suggests

A University of Oklahoma Civil Engineering and Environmental Science Professor Robert Nairn and his co-authors have conducted a collaborative study that suggests exposure to trace metals from potatoes grown in soil irrigated with waters from the Potosi mining region in Bolivia, home to the world’s largest silver deposit, may put residents at risk of non-cancer health illnesses. “In this high mountain desert, water is a critically precious resource and the use of metal-polluted waters for irrigation may have substantial detrimental impacts on the lives of subsistence farmers,” said Bill Strosnider, researcher on the project. Potatoes are the primary dietary staple in the surrounding communities. “Our findings allow the research community insight into the potential human and environmental impact that vast active and abandoned mining operations may pose all across the Andean region,” said Alan Garrido, researcher on the project. More

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