Demand for metals on the world market is prompting a mining boom in Michigan’s rural Upper Peninsula, where jobs are scarce. But possible environmental damage to forests, lakes, and rivers alarms some locals. One of the companies causing concern is Rio Tinto subsidiary Kennecott.
See http://www.csmonitor.com/Business/2012/0327/Mining-boom-in-Michigan-economic-boost-or-environmental-nuisance.