Three flights with scientific pay loads are flying over the Hyderabadi skies since Monday in an attempt to find out the atmosphere concentrations of Chloroflurocarbons and their effect on
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/eu-tests-ozone-impact-over-city-sky
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/deccan-chronicle-hyderabad
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ozone-layer