Correction to: Environmental Science and Pollution Research

https://doi.org/10.1007/s11356-022-24685-z

Fig. 8 and Formula (17) in the original article are revised as follows.

Fig. 8.
figure 1

Division of China’s economic regions

$$\mathbf V^{\ast}=\underset{\mathbf V\in\nu}{\arg\;\min\;}{\lbrack{\mathbf Y}_1-{\mathbf Y}_0\mathbf W^{\ast}\;(\mathbf V)\rbrack}^{\mathrm T}\lbrack{\mathbf Y}_1-{\mathbf Y}_0\mathbf W^{\ast}(\mathbf V)\rbrack$$
(17)