NASA @NASA
Oceans have a complex "conveyer belt" system of currents that connects them. These belts transport stored heat from the tropics to the poles, releasing heat and moisture into the air. But what happens if part of this system jams? Find out from @NASAEarth: https://t.co/2l6xDfCmfT https://t.co/In0fuiWeoX — PolitiTweet.org