TORONTO — A controversial mine being developed by a Canadian company in Arizona shows the lengths to which the industry will go to feed the world’s unrelenting demand for copper.
Hudbay Minerals Inc. and a previous owner have been pushing to get approval for the Rosemont mine for more than a decade amid local opposition and skepticism from regulators about water issues in the semi-arid region.
To secure approval for the nearly US$2-billion mine the company has proposed numerous measures to reduce impacts on the environment, including what it says is an “unprecedented” use of dry-stack tailings.