The Atlantic Conveyor Belt Slows

How British careers, capital and ideology came to flow from American institutions – and what happens when that flow weakens.

Grüezi!

• The Atlantic Meridional Overturning Circulation carries warm surface water from the tropics up past Britain and northwards, where it cools, sinks, and flows back south along the ocean floor.

• It runs because the gradient between warm and cold is maintained at both ends. Now, it is collapsing, slowing to its weakest state in a millennium, threateni…