Reduction Effect of Carbon Emission Trading Policy in Decreasing PM<sub>2.5</sub> Concentrations in China.

Int J Environ Res Public Health · 2022 · PMC9738372 · PMID 36498281

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a decreasing trendno p-value reported

The dashed vertical line in Figure 1 is the year when the carbon trading policy started, and we found that PM 2.5 in the treatment group tended to be higher than that in the control group in most years before 2013; however, PM 2.5 in the treatment group showed a decreasing trend after policy implementation.

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