Environmental impact of iron ore mining
The environmental impact of iron ore mining in all its phases from excavation to beneficiation to transportation and beyond may have detrimental effects on air quality, water quality, biological species, and nearby communities. This is predominantly a result of large-scale iron ore tailings (solid wastes produced during the beneficiation process of iron ore concentrate) that are released into the environment which are harmful to both animals and humans.
Source: Wikipedia — Environmental impact of iron ore mining (CC BY-SA 4.0)