Air quality in the Kathmandu Valley has been deteriorating continuously, particularly in the last two decades. And air pollution has imposed huge costs on the society and the environment.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/deteriorating-air-quality-kathmandu-valley-narayan-babu-dhital
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/rising-nepal
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/kathmandu
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/nepal
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environment
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health-effects
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/south-asia
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution-control
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-quality-management
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-quality-and-health