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The list you don't want to be on: cities with the dirtiest air
A study by the World Health Organization (WHO) to measure pollution levels in 1,600 cities around the world revealed some dreary news. WHO says pollution has gotten worse, not better, since its last survey and that poor countries are hit the hardest...
Article - 05/09/2014
Active Region(s): Main, North America
Category: Built environment, Health and human services, Transportation, Connectivity, Instrumentation and control