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Normal view

Dense iron oxyhydroxides as possible reservoirs of water under deep mantle conditions

Nature Geoscience, Published online: 08 September 2026; doi:10.1038/s41561-026-02067-1

Dense iron oxyhydroxide phases may form from an early basal magma ocean, trapping water and potentially contributing to the formation of thermochemical anomalies in the deep mantle, according to high-pressure and high-temperature experiments.

Increase in global warming potential of atmospheric black carbon since 1750

Nature Geoscience, Published online: 08 September 2026; doi:10.1038/s41561-026-02085-z

The soot fraction of global black carbon emissions increased from 16% in 1750 to 35% in 2019, mainly driven by fossil fuel consumption, suggesting a higher warming potential per unit mass, according to an analysis of atmospheric measurements.

Past abrupt changes in Atlantic Ocean currents controlled the Earth’s energy balance

7 September 2026 at 01:00

Nature Geoscience, Published online: 07 September 2026; doi:10.1038/s41561-026-02086-y

During the last ice age, the Atlantic Meridional Overturning Circulation (AMOC) underwent a series of abrupt reorganizations. The global impact of these events reflects the accumulation of heat in the ocean interior during the weak AMOC mode and its loss during the strong mode, facilitated by radiative feedbacks that altered the planetary energy balance.

Nature-based solutions in open ecosystems must support biodiversity and people

Nature Geoscience, Published online: 04 September 2026; doi:10.1038/s41561-026-02079-x

Nature-based solutions in savannas and grasslands that seek to maximize tree cover and carbon uptake can erode biodiversity, create fragile carbon stocks and disrupt the livelihoods of people who depend on these landscapes, all for uncertain climate benefits.
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