Elevated early Eocene atmospheric CO 2 tied to reduced Southern Ocean biological pump efficiency
Nature · By Simone Moretti ·
Nature Geoscience, Published online: 06 November 2026; doi:10.1038/s41561-026-02142-7 Warming in the early Eocene reduced the efficiency of the Southern Ocean biological carbon pump, limiting carbon sequestration in the ocean interior and enhancing atmospheric CO2 levels…