The hole in the ozone layer, the earth's protective shield against ultraviolet rays, is expected to be smaller this year over the Antarctic than last, showing how a ban on harmful substances has st
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/antarctic-ozone-hole-smaller-2011
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/planet-ark-australia
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ozone-layer
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ozone-hole
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/montreal-protocol
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/world-meteorological-orgnisation-wmo
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/atmosphere-and-ozone-layer
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health-effects
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/cancer
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/cfcs
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/antarctica