Face it, mining is a big risk to our valley

Another large metal mine tailings dam (MMTD) has failed, this one in Brazil—discharging 13 million cubic meters of pollution into the Paropeba River with hundreds of people dead or missing. Vale Mining CEO, Fabio Schvartsman remarked that his company “followed the technicians’ advice and you see what happened. It didn’t work. We are 100 percent within all the standards and that didn’t do it.” (1)

Every large-scale hard rock mine requires a large-scale tailings depository.…