A vital ocean current ... to the North Atlantic is weakening faster than previously thought, according to models that simulate the impact of meltwater from the Greenland ice sheet.

A vital system of Atlantic Ocean currents that influences weather ... In the decades after a collapse, Arctic ice would start creeping south, and after 100 years, would extend all the way down ...

A new study says part of the reason for these rapid changes to Arctic sea ice may be the abnormal flow of Atlantic Ocean waters and marine life into the Arctic Ocean. The study, co-authored by ...

They include ice melt that could cause severe sea-level rise and the collapse of a crucial ocean current that governs how heat cycles in the Atlantic Ocean. Venezuela lost its final glacier this year.