Increasing concentrations of atmospheric carbon dioxide will almost certainly lead to changes in global mean climate. But because - by defnition-extreme events are rare, it is significantly more difficult to quantify the risk of extremes.
Links:
[1] http://admin.indiaenvironmentportal.org.in/feature-article/quantifying-risk-extreme-seasonal-precipitation-events-changing-climate
[2] http://admin.indiaenvironmentportal.org.in/category/author/t-n-palmer
[3] http://admin.indiaenvironmentportal.org.in/category/author/j-risnen
[4] http://admin.indiaenvironmentportal.org.in/category/journal/nature
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/carbon-dioxide
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/monsoons
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/climate-change
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/climate-impacts
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/asia
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/united-kingdom-uk
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/rainfall-pattern
[12] http://admin.indiaenvironmentportal.org.in/category/thesaurus/river-basin
[13] http://admin.indiaenvironmentportal.org.in/category/thesaurus/rainfall