Iceland has designated the potential collapse of a major Atlantic Ocean current system a national security concern and an existential threat, the country's climate minister told Reuters. Vanesse Chan ...

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 ...

On November 12, 2025, Iceland became the first nation to officially classify the potential collapse of the Atlantic ...

A series of ocean currents in the Atlantic drive heat northward and control much of the world’s weather. Scientists believe the current — called the Atlantic Meridional Overturning Circulation, or ...