The National Oceanic and Atmospheric Administration (NOAA) says scientists have confirmed that most of the gases responsible for ozone depletion are produced by human activities. According to a June
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/polar-snow-reveals-secrets-ozone-depleting-gases
[2] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ozone-layer