And we have a new all-time record warm *absolute* temperature for the oceans, according to ERA5 (which goes back to 1940): August 21st likely marked the warmest Sea Surface Temperatures have been for the entire Holocene period. Should be major news!

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Xing et al. (2025) shows that historical global warming SST patterns project onto the PDO and alter its spatial pattern. Consequently, cleanly separating the PDO—as a natural internal oscillation—from the background global warming signal is virtually impossible. 🌊🧪 ocean2climate.org/2026/08/19/i...

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🌊 Central role of Labrador Sea convection for transport of oxygen into the deep North Atlantic Ocean www.nature.com/articles/s41...

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"... the Arctic Ocean experiences not only the greatest acidification but also the most delayed benefits from negative emissions" #OceanAcidification 🌊 doi.org/10.1038/s415...

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POSITION PAPER: Securing the Future of Ocean Carbon Observations 🌊 by the IOCCP Scientific Steering Group in close collaboration with the JPI Oceans Knowledge Hub on Ocean Carbon Capacities and the European Metrology Network for Climate and Ocean Observation www.ioccp.org/news/positio...

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