Earth’s Climate Artery Is Slowly Collapsing, Study Warns of Global Consequences

Earth’s Climate Artery Is Slowly Collapsing, Study Warns of Global Consequences
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A new scientific study warned on Saturday, July 11, 2026, that the Atlantic Meridional Overturning Circulation, known as AMOC, one of the world’s most important ocean currents regulating Earth’s climate, may be approaching a dangerous tipping point due to climate change and rising carbon emissions.

The current carries warm water from tropical regions toward the North Atlantic while sending cold water southward, helping distribute heat and maintain global climate stability. However, the rapid melting of Greenland’s ice is sending large amounts of freshwater into the ocean, weakening the circulation that depends on cold, salty water.

According to the study, the chance of the current entering an irreversible collapse pathway is around 10 percent even if emissions stop immediately. If emissions continue at current levels, that risk could rise to 80 percent by 2100, while some models suggest it could reach 100 percent.

Researchers warned that the collapse of this system could raise sea levels along the eastern coast of the United States, sharply lower temperatures in northern Europe, and disrupt global weather patterns, causing more severe droughts, floods, and storms.

Although scientists differ on when such a collapse could occur, they agree that AMOC is steadily weakening. The study stressed that urgently reducing carbon emissions remains the most important step to limit the risks of these climate consequences.