Calcutta: The city's annual average air pollution level is more than double the national limit and still rising in most parts of the city, a recently published report of the West Bengal Pollution C
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/city-fails-clean-its-act
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/times-india-kolkata
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/west-bengal
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/rspm-pm-10
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/state-pollution-control-board-spcb-0
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/vehicular-pollution