Does "National Civilized City" policy mitigate air pollution in China? A spatial Durbin difference-in-differences analysis.

BMC Public Health · 2024 · PMC11069229 · PMID 38704550

Europe PMC DOI

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highly significantno p-value reported

If it is highly significant and negative, we can conclude that civilized city is able to significantly reduce SO 2 pollution and captures the policy effect of the NCC.

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a decreasing trendno p-value reported

We found that overall SO 2 pollution presented a decreasing trend from 2003 to 2018, but with two breaks in 2007 and 2011, when the declines reversed.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.