Hong Kong’s historic double-decker trams are not just one of the city’s most popular tourist attractions, they are also one of its most hazardous.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/hong-kong%E2%80%99s-historic-trams-are-choking-roadside-pollution
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/bloomberg
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/hong-kong
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-quality-monitoring
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/who
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health-effects
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/vehicular-pollution