New Delhi: After the early 2000s, when Delhiās air became dramatically clean after the introduction of CNG in public transport, it has once again turned into a deadly cocktail of various pollutants
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/ten-years-city-loses-cng-edge-experts-blame-rising-number-diesel-vehicles-overloading-pollution
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/times-india-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/vehicular-pollution
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/cng
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/cse
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/central-pollution-control-board-cpcb
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/rspm-pm-10
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/oxides-nitrogen-nox
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/central-road-research-institute-crri
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ministry-earth-sciences
[12] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-quality-monitoring
[13] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ozone