Mine waste dams threaten the environment, even when they don't fail
- Written by Christopher Sergeant, Research Scientist, Flathead Lake Biological Station, The University of Montana
The January 2019 collapse of a dam in Brumadinho, Brazil, sent mining tailings and mud over the landscape for miles, destroying this bridge and killing 300 people. Andre Penner/AP
Scars from large mining operations are permanently etched across the landscapes of the world. The environmental damage and human health hazards that these activities...
Read more: Mine waste dams threaten the environment, even when they don't fail

