vehicular pollution is common to most metros. A Kolkata-specific study has highlighted how vehicles in Kolkata emit cancer-causing volatile organic compounds (vocs). The study noted that specific vocs were found in very high concentrations in the city.
"Levels of btex
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/cancer-kolkata-air
[2] http://admin.indiaenvironmentportal.org.in/category/author/biplab-das
[3] http://admin.indiaenvironmentportal.org.in/category/newspaper/down-earth
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/vehicular-pollution
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health-effects
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/benzene
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/cancer
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/fuel-quality
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/petrol
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/occupational-health
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/research
[12] http://admin.indiaenvironmentportal.org.in/category/thesaurus/india