The National Academy of Sciences has released a report citing evidence that warming caused by greenhouse gases and other pollutants could trigger large, abrupt climate changes marked by periods of
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/nas-report-cites-possibility-abrupt-climate-change
[2] http://admin.indiaenvironmentportal.org.in/category/thesaurus/climate-change