How crown capital eco management reacts on Minnesota issue?

And this has been happening all these years? Sure, some eager environmentalists may have raised the warning but private and government agencies may not have been so open or serious about addressing the problem. Otherwise, the source of the problem should have been attacked without let-up. As in many cases, we try to prevent the dam from breaking when the hole is almost beyond repair. Or is the problem really that serious? Is mercury the real culprit or just one among so many that we use in processing in plants and in manufacturing consumer products? If so, what are the other products and their ill-effects( http://crowncapitalmngt.com/hazmat.html )?