Beijing: Authorities in Beijing have issued an air-pollution "red alert", the first time warning levels have been raised to the highest level since an emergency response system was introduced in la
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/beijing-issues-first-ever-red-alert-smog
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/age-australia
[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/who
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/cars
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/vehicular-pollution
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/pm-25
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-quality-index-aqi