Several citizens and environmental activists have come together to form a group, Harit Navi Mumbai (HNM), which will act as a helpline to save the city's greenery and biodiversity.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/navi-mumbai-ctivists-form-group-protect-city%E2%80%99s-greenery
[2] http://admin.indiaenvironmentportal.org.in/category/author/vijay-v-singh
[3] http://admin.indiaenvironmentportal.org.in/category/newspaper/economic-times-new-delhi
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/maharashtra
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/mumbai
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/biodiversity
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/flora
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/fauna
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/mangroves
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environmentalists