should just be left alone to do their business and self-regulate their damage and effluents as they see fit,(I think the term he uses is "laissez-faire"), should look to the example of Peru. If the damage they have done here were not enough just give them free reign and see what they can do. Peru does have some strict regulation, but non-existent enforcement in too many areas. Because it is real gold and not black gold in those mines, somehow makes it even more disgusting.
Poor people and their land being exploited for natural resources, repeat, repeat.
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