a recent study at the Scripps Institution of Oceanography, usa , claims that the combined effect of air pollution (aerosols/particulate matter) and greenhouse gases may induce greater variability in the Indian monsoon
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/air-pollution-affects-rainfall-indian-ocean-region
[2] http://admin.indiaenvironmentportal.org.in/category/author/ritu-gupta
[3] http://admin.indiaenvironmentportal.org.in/category/newspaper/down-earth
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/indian-ocean
[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/asia
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/india
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/rainfall-pattern