The Vembanad lake, the second largest wetland in India, is in a state of precipitous decline.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/wetland-or-wasteland
[2] http://admin.indiaenvironmentportal.org.in/category/author/sally-duncan
[3] http://admin.indiaenvironmentportal.org.in/category/newspaper/frontline-chennai
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/lake-pollution
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/wetlands
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/lakes
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/vembanad
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/kerala