Karachi Commissioner Shoaib Ahmed Siddiqui has said that due to increasing pollution, maximum number of trees was needed to be planted in Karachi to make the city green.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/225450-trees-planted-under-ongoing-drive-city
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/pakistan-today-pakistan
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/forests
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/karachi
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/afforestation
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/pakistan
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/trees
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/south-asia