Lowest levels on record for Arctic winter sea ice
The winter growth period for sea ice in the Arctic Ocean is now over, with levels at a record low. The winter ice extent on 21 March 2025 was lower than at any time since continuous satellite ...
Antarctica’s hidden threat: meltwater under the ice sheet amplifies sea-level rise
A new study found parts of Antartica could pass a tipping point for mass ice sheet losses as soon as 2050 – pushing sea ...