Doubts linger over warning system for smog
By Wu Wencong | China Daily | Updated: 2014-03-12 07:28
Wu Wencong reports on the questions being raised over color-coded alerts.
Between Feb 20 and Feb 26, Beijing, Hebei province and its provincial capital Shijiazhuang issued orange alerts, the second-highest level, warning residents about severe air pollution affecting the region.
It was the first time that all three places had issued alerts simultaneously.
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