Figure 1
From: The impact of high-speed rail on SO2 emissions—based on spatial difference-in-differences analysis
City distribution of SO2 emissions in China in 2007 and 2017.
Figure 1 | Scientific Reports
From: The impact of high-speed rail on SO2 emissions—based on spatial difference-in-differences analysis
City distribution of SO2 emissions in China in 2007 and 2017.
