Cellular modelling and geochemical analyses reveal that a dominant group of phytoplankton changed their carbonate production as atmospheric CO2 levels declined from peak levels in the warm early Eocene, hinting at a positive feedback in the global carbon cycle.
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Sheward, R.M. Cycling carbon with coccolithophores. Nat. Geosci. 15, 758–759 (2022). https://doi.org/10.1038/s41561-022-01039-5
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DOI: https://doi.org/10.1038/s41561-022-01039-5