Since the mid-1990s, the company has run a waterfowl observation and hazing program at its 182-hectare Berkeley Pit but in late 2016, several thousand snow geese died at the toxic pit.
Canadian miner Lundin is cutting 106 jobs at its Candelaria copper mine "improve competitiveness and productivity", amid reports that workers had begun a 48-hour strike.
Canada’s largest diversified miner is also studying a Phase 3 for Quebrada Blanca, which would double the mine’s capacity to 600,000 tonnes of copper a year from the 300,000 it’s expected to achieve once Phase 2 is completed.
The Tamil Nadu state disconnected the smelter's power supply in May following anti-pollution protests that turned violent and culminated in the police opening fire, killing 13 protesters.