Nature Geoscience, Published online: 12 October 2026; doi:10.1038/s41561-026-02125-8

The Western Eurasian Steppe has undergone an abrupt and persistent transition to a hotter and drier summer climate that exceeds the range of natural variability, driven by external climate forcing and amplified by internal variability and land–atmosphere feedbacks, according to observations and Earth system model simulations.

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.