Fig 1.
Impact mechanism of ENGOs on environmental quality improvement.
Table 1.
The main variables definitions and descriptions.
Table 2.
PM2.5 emission reduction effect of ENGOs.
Table 3.
Carbon emission reduction effect of ENGOs.
Table 4.
Oxynitride emission reduction effect of ENGOs.
Table 5.
PM2.5 emission reduction effect of ENGOs.
Table 6.
The mitigation effect of ENGOs on other air pollutants emission.
Table 7.
Results of mediation effect model.