Links:
[1] http://admin.indiaenvironmentportal.org.in/news/earth-day-eve-students-address-global-warming-pollution
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/indian-express-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environment
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/climate-change
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environment-education
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/teri
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/delhi