The presence of harmful chemicals and toxic paints in the idols, environmentalists point out, poses a major threat to aquatic life.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/politicos-residents-join-hands-bid-green-farewell-ganpati
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/indian-express-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/maharashtra
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ganesh-chaturthi
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/religious-beliefs
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environmental-security
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/toxic-wastes
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/pune-t
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/municipal-corporation
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environmentalists
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/marine-ecosystems
[12] http://admin.indiaenvironmentportal.org.in/category/thesaurus/marine-life
[13] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environment