Studying melting ice in Greenland for clues to key Atlantic ocean current
Update: 2025-11-28
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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 AMOC for short — will slow down this century due to global warming, and some fear the circulation might collapse entirely. The melting of the Greenland Ice Sheet could be a major factor in the future health of the AMOC. The World's Host Carolyn Beeler traveled into a fjord in Greenland with scientists studying glacial meltwater to better understand what it could do to the AMOC.
This story originally aired on Oct. 1, 2025.
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