Fig. 1: Omission of wastewater pathways in the latest NIRs and resultant emission gaps. | Nature Climate Change

Fig. 1: Omission of wastewater pathways in the latest NIRs and resultant emission gaps.

From: Inconsistent national reports undercount wastewater emissions

Fig. 1

a,b, Percentage of wastewater pathways included in CH4 (a) and N2O (b) emission estimates. c, Absolute and relative emission gaps compared with reported values. NA, not available. Basemaps in a and b from Natural Earth. Figure adapted from C. Song et al. Nat. Clim. Change https://doi.org/10.1038/s41558-025-02540-6 (2026), Springer Nature Limited.

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