Notes for UN Special Rapporteur on Hazardous Substances and Wastes

Canadian mining multinationals are causing toxic impacts on surface and ground water and on marine ecosystems in overseas countries where they operate, in part through mine waste disposal practices that are effectively illegal in Canada. This brief focusses on impacts through practices that are effectively banned in Canada through protective provisions in the Metal and Diamond Mining Effluent Regulations (MDMER) that prohibit unrestricted release of tailings into fish bearing waters.