The Lancet study concluded that pollution is now the largest environmental cause of disease and death in the world today — three times more those from HIV-AIDS, TB and malaria put together.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/25-million-india-tops-list-pollution-linked-deaths-study
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/indian-express-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-pollution
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/occupational-health
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/respiratory-diseases
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/india
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health-effects