Canadian miner Lundin must permanently close its Alcaparrosa copper mine in Chile, the South American nation's environmental regulator said on Thursday, after a massive sinkhole cracked open near the ...

A proposed Michigan copper mine on the shores of Lake Superior is sparking fierce debate over environmental and economic priorities, as the state's House Appropriations Committee approved $50 ...

“The threat to Indigenous rights and natural resources posed by the location of the mine and associated tailings is another point of major concern.” Related: Copper mine could bring jobs to ...