In an unprecedented scientific disclosure released today, a multi-institutional coalition of climate scientists and oceanographers presented empirical evidence demonstrating an alarming deceleration in the abyssal overturning circulation of the Southern Ocean. Deploying a sophisticated network of autonomous deep-sea gliders and deep-moored sensor arrays across the Weddell and Ross Seas, researchers recorded a 15 percent contraction in the volume of Antarctic Bottom Water formed over the past decade. This deep ocean layer, which acts as the thermal and chemical engine of the global climate system, is weakening at a pace that significantly outstrips previous IPCC projections. The findings, coordinated by international marine research institutions across North America, Europe, and Australia, mark a critical juncture in physical oceanography. For decades, numerical climate models predicted that warming polar surface waters and accelerating glacial runoff would eventually in...