After a recent study by IIT Kanpur revealed that carbon pollution around the Taj was causing the famed white marble of the monument to yellow, the Taj Trapezium Zone Authority has given a deadline
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/commercial-vehicles-near-taj-ordered-go-cng-july-31
[2] http://admin.indiaenvironmentportal.org.in/category/author/aditya-dev
[3] http://admin.indiaenvironmentportal.org.in/category/newspaper/times-india-agra
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/uttar-pradesh
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/agra-t
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/carbon-dioxide
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/vehicular-pollution
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/indian-institute-technology-iit
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/cng
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/vehicle-technology-and-fuel