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South Africa: Gold mine pollution is poisoning Soweto’s water and soil – study finds food gardens are at risk

By Lesego Khomo, Senior Lecturer: Department of Environmental Science, University of South Africa

For 140 years, gold mines in Johannesburg, South Africa have been leaking wastewater contaminated with heavy metals. The acid mine drainage from Johannesburg’s estimated 278 abandoned mines and 200 mine dumps includes uranium (a radioactive metal), toxic arsenic, copper, cobalt, nickel, lead and zinc. Acid…

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