Nature World: Deep ocean currents may be slowing down due to climate change, according to a new study.
Ocean currents act as conveyor belts that channel heat, carbon, oxygen and other nutrients around the world's seas, and the slowdown of deep sea currents is worrisome, scientists say.
"Our observations are showing us that there is less formation of these deep waters near Antarctica," said Irina Marinov, a climate scientist at the University of Pennsylvania. "This is worrisome because, if this is the case,...