Global warming has been a debatable subject of recent years, of which Dehra Dun is not an exception. This year, 2007, has experienced the hottest 26th January in last 77 years.
Links:
[1] http://admin.indiaenvironmentportal.org.in/feature-article/warmest-26th-january-record-during-77-years-observations-new-forest-dehra-dun
[2] http://admin.indiaenvironmentportal.org.in/category/author/laxmi-rawat
[3] http://admin.indiaenvironmentportal.org.in/category/journal/indian-forester
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/el-nino
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/monsoons
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/climate-change
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/global-warming
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/india
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/dehradun-d
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/rainfall-pattern