Southern Ocean
Scientists have discovered that the Southern Ocean releases 40% more carbon dioxide during winter than previously estimated. Using laser satellite data and machine learning, researchers pierced the polar darkness to reveal this hidden emission burst. The findings reshape understanding of the ocean's role in the global carbon cycle.
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New research warns that even if humanity achieves net-negative emissions and cools the planet, the Southern Ocean might suddenly release its accumulated heat, restarting warming. This 'burp' could persist for at least a century. Scientists emphasize the need for rapid emission cuts to minimize such risks.
October 27, 2025 16:20