The National on MSN16d
Chart of the week: Countries with the worst air pollutionA ir pollution is a major health concern worldwide, yet most cities experience poor air conditions. According to the World Health Organisation, 99 per cent of the world's populati ...
Photo by Steve Jones, Center for Biological Diversity. There are more than 100 concerning chemicals in the air pollution from these crackers, including carcinogens such as benzene, toluene, ...
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