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ASIA: UNEP Says "Brown Cloud" Threatens Climate, Economy, Health
A three-kilometer-thick accumulation of smog over much of Asia and the Indian Ocean threatens the global climate and regional weather patterns, crops and economic progress, according to a study released today by the U.N. Environment Program....Researchers...lay most of the blame on Asian megacities with "unacceptably high emissions of health-endangering gaseous and particulate matter."