Karachi is among the eight most polluted cities in Asia. This was stated by the Commissioner of Karachi, Roshan Ali Shaikh, here on his return from a visit to Britain.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/karachi-among-8-most-polluted-cities-asia-commissioner
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/pakistan-observer
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/pakistan
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/south-asia
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/karachi
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/pollution
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/asia
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/garbage
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/electricity
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/energy
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environment