The World Health Organization has released stringent air pollution guidelines in response to the latest information on the damaging affect on health, but experts say none of the world’s 100 biggest cities would meet the updated rules.
世界衛生組織(WHO)發布了嚴格的空氣污染指導方針,以回應有關空氣污染損害健康的最新信息,但專家表示,世界100個最大城市中沒有一個符合最新規定。
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