The Copernicus Climate Change Service has revealed that March 2025 saw the lowest sea ice maximum extent in the 47-year ...

Arctic sea ice reached a record-low winter maximum on March 22, 2025, with just 5.53 million square miles of coverage—well ...

Antarctica’s summer sea ice has dropped to one of its lowest extents ever recorded, shrinking to levels 30% below the ...

Sea ice plays many important roles for the global climate: Its white surface can reflect energy back into space, helping the ...

Above: Satellite view of the Great Lakes on a recent clear day (December 22, 2019), showing less than 2% overall ice cover, about normal for this point in the winter, mainly in Green Bay and ...

At 14.45 million square kilometers, winter sea ice cover is over a million square kilometers below the long-term average. As of February 2025, average Arctic sea ice cover remained at an all-time ...

The formation of sea ice also makes the surrounding water saltier, as salt is pushed out when water freezes. If less sea ice ...

in Colorado measured Arctic sea ice cover on March 22, during what should've been its annual peak. In conclusion, the agency reported seeing 5.53 million square miles (14.33 million square kilomet ...

It’s always fascinating to track ice coverage across the Great Lakes each winter season. Even as we reach the early spring season, analysis shows that some ice remains on the eastern end of Lake Erie.

This year’s peak ice cover was 1.32 million square kilometers below the average levels recorded between 1981 and 2010, ...