A UN study has discovered a 3-km deep blanket of pollution spread over South Asia which can radically change the monsoon pattern, cause drought, reduce India's winter rice yield and lead to a spurt
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/deadly-haze
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/tribune-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environment