Tiny temperature rise can make mass deaths twice as likely; unchecked emissions can expose 3/4ths of humanity to deadly heatwaves.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/twin-studies-forecast-deadlier-and-more-sweeping-heatwaves-india-and-world
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/indian-express-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/heat-waves
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/india
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/monsoons
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/orissa
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/global
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/indian-meteorological-department-imd
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/indian-institute-technology-iit
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/natural-disasters