Everyone needs clean air to survive, yet somehow it is not an internationally recognized human right.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/over-50-percent-world-breathes-toxic-air
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/environment-news-network
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health-effects
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/lung-disease
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/vehicular-pollution
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/india
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/china
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/nepal
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/asia