Indiscriminate and unscientific sand-mining has turned the Gayathripuzha, a major tributary of the Bharathapuzha, into a deathtrap.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/indiscriminate-sand-mining-turns-river-death-trap
[2] http://admin.indiaenvironmentportal.org.in/category/author/ka-shaji
[3] http://admin.indiaenvironmentportal.org.in/category/newspaper/hindu-thiruvananthapuram
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/kerala
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/palakkad-d
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/mining
[7] http://admin.indiaenvironmentportal.org.in/thesaurus/sand-mining
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/rivers
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/illegal-trade