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Threefold increase in atmospheric–riverine compound heatwaves under climate change

Nature Geoscience, Published online: 30 July 2026; doi:10.1038/s41561-026-02040-y

Co-occurring atmospheric and river heatwaves have tripled since the 1980s across the USA and Europe, and are projected to become the norm by 2100, according to model simulations.
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Widespread deoxygenation of freshwater ecosystems regularly reversed by nutrient management

Nature Geoscience, Published online: 26 June 2026; doi:10.1038/s41561-026-02024-y

Dissolved oxygen concentrations increased in rivers and lakes across China between 2005 and 2022 due to nutrient management and despite climate warming-related decreases, according to a study of dissolved oxygen and environmental variables.
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