- RESEARCH HIGHLIGHT
‘Rivers in the sky’ helped to keep an expanse of water roughly as big as Portugal ice-free.
Sea ice covers the ocean near the Antarctic continent, but levels have decreased notably over the past ten years. Credit: Shane Gross/Nature Picture Library
Low sea ice coverage around Antarctica this year and others has signalled a large shift in southern sea-ice growth over the past decade, driven by a combination of natural variability and human-caused climate change. But rising average temperatures aren’t the only obstacle to such growth.
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doi: https://doi.org/10.1038/d41586-026-03160-6
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