World's most polluted cities

Published On: Jan 14 2013 11:23:54 AM CST   Updated On: Mar 29 2013 08:22:36 AM CDT

Take a look at some of the world's most polluted cities, as ranked and compiled by Time, the Blacksmith Institute and ABC Environment.

Most Polluted - Sukinda
3 / 14

Sukinda, India -- India's Sukinda Valley contains 97 percent of the country's chromite ore deposits -- used mainly to make chrome plating and stainless steel. Mining leave toxic chromium hexavalent in the air, soil, and surface and drinking water.

Upload Photos / Videos