Spatial Agglomeration of Industrial Nitrous Oxide Emissions Dictates Targeted Mitigation for China’s Climate Goals
Nitrous oxide (N2O) currently lacks high-resolution urban data, hindering targeted regional mitigation. To address this, we developed a bottom-up N2O emission inventory for 339 Chinese cities from 2010 to 2024. We find national emissions substantially exceed international estimates due to uncounted industrial sources...