How ocean currents can make the Arctic a model for reducing shipping emissions

A real-time monitoring system in the region could help shippers use currents to sail more efficiently.

During the American War of Independence, the revolutionaries’ French allies were able to reach the new world faster than their British counterparts. This was due to a piece of very special intelligence provided by American revolutionary leader Benjamin Franklin: The first known map of the Gulf Stream current. French ships were able to ride this current, speeding up their journey across the Atlantic and helping steer the course of the war.