Large-scale iron ore mining operations in Goa have resulted in "wide-spread environmental degradation," leading to severe air pollution in the mining villages and road corridors in the state,
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/goa-environment-suffering-due-iron-ore-mining
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/asian-age-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/mining