Scientists monitor greenhouse gases in urban areas as a first step to gauging success of climate initiatives worldwide.
Links:
[1] http://admin.indiaenvironmentportal.org.in/feature-article/megacities-move-track-emissions
[2] http://admin.indiaenvironmentportal.org.in/category/author/jeff-tollefson
[3] http://admin.indiaenvironmentportal.org.in/category/journal/nature
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/urban-habitat
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/carbon-dioxide
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/green-house-gases
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/atmosphere
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/united-states-america-us
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/nasa
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/france
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/brazil