Air pollution killed an estimated 7 million people around the world in 2012, making it the biggest environmental health risk, the World Health Organization (WHO) said on Tuesday.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/who-air-pollution-killed-7-million-people-2012
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/hindu-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/who
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution
[5] http://admin.indiaenvironmentportal.org.in/thesaurus/south-asia
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health-effects
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/heart-diseases
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/indoor-air-pollution