Top Ten Most Polluted Places in the World, 2007

Updated April 8, 2022 | Infoplease Staff

This Top Ten list was compiled by the Technical Advisory Board of the Blacksmith Institute, an environmental NGO based in New York. The criteria used in ranking include the size of the affected population, the severity of the toxins involved, and reliable evidence of health problems associated with the pollution.

Source: the Blacksmith Institute, 2007. Web: .


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