NEW DELHI: It's around this time every year that air quality in the capital and its adjoining areas starts plunging — due to the onset of winter, coupled with crop burning in Punjab and Haryana and
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/why-diwali-just-part-problem
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/times-india-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/delhi
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/diwali
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/festival
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/crops
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/haryana
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/punjab
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/pm-25
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health-effects
[12] http://admin.indiaenvironmentportal.org.in/category/thesaurus/agriculture