Ocean Current Patterns in Peril

During a wonderful, albeit too short visit with family, my brother and I were discussing the thermohaline “conveyor belt” that governs the major ocean currents. See Bill Nye’s explanation here, and graphic below.

Due to the warming of the oceans, it is theorized that the circulation in the Atlantic Ocean is approaching the point at which it will shut down, making huge changes in the climate of North America and Western Europe.