Using 522 nonfinancial listed companies on the Chinese A-share Market during 2008–2016 as the sample, this paper studies the discretion of corporations to fulfill their environmental responsibilities in the face of economic policy uncertainty (EPU) through a panel regression model and a panel quantile regression model. Additionally, the sample is classified and the heterogeneity is analyzed based on the equity nature, the financing constraints and the economic region in which the corporations are located. The conclusions are as follows. First,...