Nature Geoscience, Published online: 29 June 2026; doi:10.1038/s41561-026-02034-w

Satellite observations suggest an approximate 20% increase in global riverine particulate organic carbon export to the ocean over the past four decades, driven primarily by tropical deforestation and Arctic permafrost thaw.

Nature, Published online: 17 June 2026; doi:10.1038/s41586-026-10664-8

Permafrost thaw on the Qinghai–Tibet Plateau increases rock-weathering rates while reducing river CO2 emissions, suggesting geological carbon fluxes may eventually outpace thaw-driven emissions.