There's an underwater conveyor belt flowing through the Atlantic that keeps Europe warm and regulates climate across the globe. Yet this enormous system might be heading toward a breaking point. The ...

Iceland’s relatively mild climate is shaped by a crucial network of currents that winds its away around the Atlantic Ocean transporting heat northward — without it, the island would be much icier and ...

As the planet warms, it risks crossing catastrophic tipping points: thresholds where Earth systems, such as ice sheets and rainforests, change irreversibly over human lifetimes. Melting ice sheets in ...

Scientists fear warming is driving a collapse in the ocean currents that shape climate far and wide. The ice-choked waters off Greenland might hold the key. Scientists fear warming is driving a ...