The World Health Organization (WHO) has calculated that by 2020 human-triggered climate change could kill 300,000 people worldwide every year.
Links:
[1] http://admin.indiaenvironmentportal.org.in/feature-article/climate-change-coming-home-global-warmings-effects-populations
[2] http://admin.indiaenvironmentportal.org.in/category/author/sarah-deweerdt
[3] http://admin.indiaenvironmentportal.org.in/category/journal/world-watch
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/agriculture
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/malnutrition
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health-effects
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/climate-change
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ipcc
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/global-warming
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/climate-impacts
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/sea-level-rise
[12] http://admin.indiaenvironmentportal.org.in/category/thesaurus/extreme-weather-events
[13] http://admin.indiaenvironmentportal.org.in/category/thesaurus/malaria
[14] http://admin.indiaenvironmentportal.org.in/category/thesaurus/vector-borne-diseases
[15] http://admin.indiaenvironmentportal.org.in/category/thesaurus/infectious-diseases
[16] http://admin.indiaenvironmentportal.org.in/category/thesaurus/developing-countries
[17] http://admin.indiaenvironmentportal.org.in/category/thesaurus/rainfall-pattern