Absolutely not. There’s no instance of a copper sulfide mine not polluting the environment. The specific types of mines currently being outlawed in the Philippines and shut down in Peru due to the disasters they cost. International conglomerates with terrible track Records like the conglomerate behind twin metals have a long history of environmental problems and workers rights violations. Don’t Believe me on what these specific types of mines have caused? Just look north to Canada at the Mount poly disaster.