Salty Underground Brines May Be Ferrying Deep Geological CO2 to the Surface in Antarctica’s Taylor Valley
Nature World News | 11.11.2026 12:13Carbon dioxide seeping from the frozen soils of Antarctica's Taylor Valley rose more than fivefold between 2020 and 2025, and chemical fingerprints suggest much of it comes from deep geological sources rather than living things. The study, published in the AGU journal Global Biogeochemical Cycles, points to a pathway that differs from the Arctic permafrost carbon concerns that dominate climate headlines.
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