Something may be stirring in the world’s largest oceanic current. New research suggests that this vast conveyor belt of cold water around the South Pole could shift its location over the coming centuries, if not millennia, potentially reshaping the planet’s climate and ecosystems. The rest of this article is behind a paywall. Please sign in or subscribe to access the full content.

The Antarctic Circumpolar Current (ACC) is a vast current of cold seawater that flows clockwise from west to east around Antarctica. The main driving force behind it is powerful Southern Westerly Winds, which sweep unimpeded around the southernmost continent, unblocked by landmasses.

Acting as a crucial link between the Atlantic, Pacific, and Indian Oceans, the ACC plays a key role in the movement of heat acros

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