Figure 5

Results of correlation analysis between carbon emissions and social-economic factors. (a) Correlation between GDP per capita and annual carbon emissions at the provincial level. (b) Correlation between permanent resident population and annual carbon emissions at the provincial level. (c) Correlation between GDP per capita and carbon emissions at the city level in 2013. (d) Correlation between permanent resident population and carbon emissions at the city level in 2013. Two-tailed test of significance was used in the analysis.