Antarctic summer sea ice is at record lows. Here's how it will harm the planet - and us [View all]
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Antarctic summer sea ice is at record lows. Here’s how it will harm the planet – and us
Published: July 1, 2025 8:32am EDT
On her first dedicated scientific voyage to Antarctica in March, the Australian icebreaker RSV Nuyina found the area sea-ice free. Scientists were able to reach places never sampled before.
Over the past four summers, Antarctic sea ice extent has hit new lows.
I’m part of a large group of scientists who set out to explore the consequences of summer sea ice loss after the record lows of 2022 and 2023. Together we rounded up the latest publications, then gathered new evidence using satellites, computer modelling, and robotic ocean sampling devices. Today we can finally reveal what we found.
It’s bad news on many levels, because Antarctic sea ice is vital for the world’s climate and ecosystems. But we need to get a grip on what’s happening – and use this concerning data to prompt faster action on climate change.
What we did and what we found
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Read more: https://theconversation.com/antarctic-summer-sea-ice-is-at-record-lows-heres-how-it-will-harm-the-planet-and-us-256104
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Sea ice around Antarctica waxes and wanes with the seasons, growing in the cold months and melting in warm ones. But this rhythmic cycle is changing.
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