Fig. 1: Trends in air pollutant and CO2 emissions across China during 2000–2020.
From: Co-drivers of air pollutant and CO2 emissions in China from 2000 to 2020

a Estimated national anthropogenic emissions of SO2, NOx, primary PM2.5, and CO2 by 15 socioeconomic sectors. b Variations in national GDP and emissions of air pollutants and CO2, relative to the year 2000. c Overview of key energy, climate, and environmental control policies implemented from 2000 to 2020 in China. Note: in (c), Phase I Action Plan represents the Air Pollution Prevention and Control Action Plan; Phase II Action Plan represents the Three-Year Action Plan for Winning the Blue Sky Defense Battle; Double Carbon target represents the carbon peaking and carbon neutrality targets; De-S refers to desulfurization; De-N refers to denitrification; and NG refers to natural gas.