Even with the waves lapping at their feet, few people consider ocean currents and their importance to global climate. Although the Gulf Stream cannot be seen flowing by off North America's East Coast, in Western Europe, the current's warming effect is undeniable. This video segment, adapted from a NOVA television broadcast, uses satellite imagery to illustrate the Gulf Stream's path and animations to explain how atmospheric phenomena cause it to move. The segment is one minute fifty-one seconds in length.