Spread over 140 sq km, East Kolkata Wetlands (EKW) is the kidney of Calcutta. Listed as a Ramsar site (an international convention on conserving wetlands), it is a mosaic of ponds, lakes, canals and swamps
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/better-safe-sorry
[2] http://admin.indiaenvironmentportal.org.in/category/author/jaideep-mazumdar
[3] http://admin.indiaenvironmentportal.org.in/category/newspaper/outlook-new-delhi
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/wetlands
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/east-kolkata-wetlands
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/west-bengal
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/calcutta-t