Concerned over water pollution during Ganesha festivals, the forest department and Central Pollution Control Board (CPCB) have urged people to use earthen Ganesha idol.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/pollution-control-board-forest-department-issue-guidelines-ganesha-immersion
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/times-india-vadodara
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-pollution
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/festival
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/central-pollution-control-board-cpcb
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-resources
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-pollution-control
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/groundwater-pollution