A sapling was gifted to every speaker on the dias at the inaugural function of state-level observation of International Day for the Preservation of the Ozone Layer.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/ozone-layer-being-restored
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/new-indian-express-thiruvananthapuram
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/kerala
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ozone-layer
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/afforestation
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/montreal-protocol
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environmental-security
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/atmosphere-and-ozone-layer