A Lesson for India From a London Fog So Thick It Could Kill a Cow

In 1873, London was blanketed in a fog so dense that people could not see their feet. Still, it took 83 before clean air rules were introduced.

from NYT > Health http://www.nytimes.com/2016/11/11/health/india-air-pollution-health.html?partner=rss&emc=rss
via health&fitness