Gold mining leaves deforested Amazon land barren for years, find scientists
Mining strips nitrogen from the soil and means the forest struggles to grow back even after mines are abandoned.
June 30, 2020 • ~7 min
Gold rush, mercury legacy: Small-scale mining for gold has produced long-lasting toxic pollution, from 1860s California to modern Peru
Small-scale gold mining operations in developing countries are major sources of toxic mercury pollution, using techniques that haven't changed much since the California Gold Rush 150 years ago.
May 28, 2020 • ~10 min
I'm a bit of a modern-day alchemist, recovering gold from old mobile phones
There's 33 times more gold in the average handset than in the equivalent amount of ore. Yet the vast majority is never recovered.
May 21, 2020 • ~9 min
Indigenous people may be the Amazon's last hope
Native Brazilians are among the Amazon's most effective defenders against logging and mining, because they're fighting not just for the environment but for their people's very survival.
Feb. 27, 2020 • ~9 min
Mine waste dams threaten the environment, even when they don't fail
Dams built to hold enormous quantities of toxic mining waste have a long history of spills. Decisions in the Pacific Northwest threaten three free-flowing rivers there.
Feb. 24, 2020 • ~9 min
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