How are ocean currents caused, and how do they affect climate? These questions were hotly debated in the nineteenth century. Some argued that water is simply pushed along by the wind; others ...

Thermohaline circulation, the large-scale movement of surface water through the world’s ocean basins, in latitudes near the poles is sensitive to temperature but even more so to salinity, so the ...

If global warming shuts down the thermohaline circulation in the North Atlantic Ocean, the result could be catastrophic climate change. The environmental effects, models indicate, depend upon whether ...

A collapse in ocean currents triggered by global warming could be catastrophic, but only now is the Atlantic circulation being properly monitored. Quirin Schiermeier investigates. Henry Ellis, captain ...