Bangladesh 2nd most polluted country, smog 15 times above safe levels
Bangladesh 2nd most polluted country, smog 15 times above safe levels

Bangladesh came second last year, right after Chad, in a leading global ranking for the most polluted countries, with smog levels reaching more than 15 times higher than WHO-prescribed levels. The lists topper Chad had readings 18 times higher than World Health Organisation (WHO) safe levels for...