Mention Chennai and the first thing people want to know about is the availability of water, besides the heat of course.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/chennais-thirst
[2] http://admin.indiaenvironmentportal.org.in/category/author/ts-subramanian
[3] http://admin.indiaenvironmentportal.org.in/category/newspaper/frontline-chennai
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tamil-nadu
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/chennai-t
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/reservoirs
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-supply
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/krishna