# Fossil fuel methane emissions likely underestimated in a model based on atmospheric δ13C trends

**Authors:** Benjamin T. Uveges, Robert W. Howarth, Jed P. Sparks

PMC · DOI: 10.1073/pnas.2507837122 · 2025-06-13

## Full-text entities

- **Chemicals:** methane (MESH:D008697)

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Source: https://tomesphere.com/paper/PMC12207494