Atlantic Meridional Overturning Current

The Ocean’s Hidden Engine
Far below the surface of the Atlantic Ocean, beyond the reach of wind and waves, a vast and patient machinery is at work. It does not roar or churn in ways we can easily see, yet it moves heat, salt, carbon, and life itself across the southern and northern hemispheres. Known as the Atlantic Meridional Overturning Circulation, or AMOC, it is one of Earth’s most consequential natural systems. It is also one of its most vulnerable. ...