6 years ago
Pollutionwatch: Air contamination drops by 30% in China
eijing is slowly shedding its image as the world’s most polluted city. In 2013, it ranked as the 40th worst city for the particulate PM2.5 in the World Health Organisation global database. Four years on, thanks in part to a crackdown on polluters, it stands in 187th place.
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https://www.theguardian.com
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