Global: How mine waste dumping is poisoning our ocean, rivers, and lakes

'Troubled Waters: How Mine Waste Dumping is Poisoning Our Ocean, Rivers, and Lakes' is a new investigative report from Earthworks and MiningWatch Canada that documents how mining companies are using the world's waterways as dumping grounds for their toxic mine wastes. These mine wastes, or tailings, can contain up to three dozen dangerous chemicals, including arsenic, lead, mercury, and cyanide. Each year, mining companies dump over 180 million tonnes of these hazardous mine wastes into rivers, oceans, and lakes