Thanks to little campaigns by kids in schools, dissuading public from bursting crackers during Diwali, Punjabis kept their promise not to paint the green Diwali black this year.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/cracker-pollution-was-down-punjab-diwali
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/times-india-chandigarh
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/diwali
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/festival
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/punjab
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/state-pollution-control-board-spcb-0
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/rspm-pm-10
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/amritsar-d
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/patiala-d
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/jalandhar-d
[12] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ludhiana-d
[13] http://admin.indiaenvironmentportal.org.in/category/thesaurus/mandi-gobindgarh