Impacts of metal mining on river systems: a global assessment
Metal mining has affected some 164,400 km 2 of floodplains (112,400 km 2 from inactive mines and 52,000 km 2 from active mines), and 480,700 km of river channels (active, 114,000 km; inactive, 365,200 km) are affected by mining ( Fig. 2 and table S16). We estimate that 23.48 million people live on mining-affected floodplains that also …