With the completion of the grace period granted on signing of the Montreal Protocol on Substances that Deplete the Ozone Layer, developing countries are set to begin, on 1 July 1999, a freeze on
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/developing-countries-begin-freeze-cfcs
[2] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ozone-layer