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Mining’s toxic timebomb: dams full of poisonous waste are dotted around the world. What happens when they burst?
While tailings dams are meant to last for ever, extreme weather events are making many unstable – with devastating consequences for nature and humans As soon as the barrier broke, a flood of poison brought death to the river. Gushing through the fragile wall built to hold back mining waste in Zambia’s copper belt in February 2025, more than 50m cubic litres of acid and heavy metals poured into the Chambishi stream – a tributary of the Kafue River, the country’s longest waterway. Thousands of ...
13 Mar, 05:00 — 13 Mar, 05:00
