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Environmental Science

How Thermohaline Circulation Drives the Global Ocean Conveyor Belt

Quick fact

The ocean conveyor belt takes about 1,000 years to complete its full cycle, moving water around the entire globe.

Why this is interesting

You might think ocean currents are driven by the wind, but a vast, slow 'conveyor belt' also operates in the deep sea, driven by salt and temperature. What if your daily cup of coffee could help explain a global climate phenomenon?