The UN has warned that the increasing incidence of smuggling and illegal trade in chloroflourocarbons(CFCs) could seriously undermine efforts of over a decade to eliminate the consumption and
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/threats-ozone-layer-persist
[2] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ozone-layer