How can mining become more environmentally sustainableMining can become more environmentally sustainable by developing and integrating practices that reduce the environmental impact of mining operations. . Council on Mining and Metals, and the Mining Association of Canada, have endorsed . and aluminum, and coal is required in order to smelt iron ore and make steel.environmental impacts of iron mining in canada,Environment and Climate Change Canada - Metals and Mineral .Aug 12, 2013 . Environment Canada works to address the environmental impacts of . of valuable minerals from the ore, and metals production and refining.
environmental impacts of iron mining in canada