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Sea ice

LATEST IN SEA ICE

Broken pieces of Arctic sea ice in Svalbard, Norway.

Antarctic sea ice ‘behaving strangely’ as Arctic reaches ‘below-average’ winter peak

Antarctic sea ice is “behaving strangely” and might have entered a “new regime”, the director of the US National Snow and Ice Data Centre (NS... Read More

Sea ice | Mar 26. 2024.
Antarctic sea ice.

Guest post: Why 2023 was an exceptional year for Antarctic sea ice

While 2023 made headlines for smashing global temperature records, last year also saw some truly remarkable events in the Antarctic. After crashin... Read More

Guest posts | Jan 29. 2024.
Broken pieces of Arctic sea ice north of Svalbard, Norway.

Montreal Protocol has slowed loss of Arctic sea ice, say scientists

The Montreal Protocol – which aims to reduce emissions of ozone-depleting gases – has had the unexpected benefit of slowing Arctic sea ice loss, ... Read More

Sea ice | May 22. 2023.
Sunrise over sea ice

Arctic sea ice winter peak in 2023 is fifth lowest on record

Arctic sea ice has reached its maximum extent for the year, peaking at 14.62m square kilometres (km2) on 6 March. It is the fifth smallest winter pea... Read More

Sea ice | Mar 16. 2023.
Broken pieces of Arctic sea ice north of Svalbard

Arctic sea ice summer minimum in 2022 is ‘joint-10th lowest’ on record

Arctic sea ice has reached its minimum extent for 2022, tied with 2017 and 2018 as the 10th lowest on record, according to provisional data from the ... Read More

Sea ice | Sep 23. 2022.
Ice floes near Svalbard, Norway. Credit: Naturfoto-Online / Alamy Stock Photo.

Arctic sea ice winter peak in 2022 is 10th lowest on record

Arctic sea ice has reached its maximum extent for the year, peaking at 14.88m square kilometres (km2) on 25 February. It is the 10th smallest winter ... Read More

Sea ice | Mar 22. 2022.
A wildfire burns through forests at the Summit Trail Fire in the Colville Reservation, Washington

Melting Arctic sea ice linked to ‘worsening fire hazards’ in western US

Arctic sea ice melt has driven an increase in “fire-favourable weather” across the western US over the past four decades, according to new resear... Read More

Wildfires | Nov 25. 2021.
Arctic sea ice floe in Svalbard

Arctic sea ice summer minimum in 2021 is ‘12th lowest’ on record

Arctic sea ice has reached its annual minimum for 2021, clocking in at the 12th lowest on record, according to provisional data from the US National ... Read More

Sea ice | Sep 22. 2021.
Small island in the Ross Sea, Antarctica, with pack ice in the foreground

Guest post: Deciphering the rise and fall of Antarctic sea ice extent

The sharp decline in Arctic sea ice over recent decades has become one of the most enduring images of the Earth’s warming climate. Yet, at the same... Read More

Guest posts | Jun 29. 2021.
Sea ice in Svalbard

Arctic sea ice winter peak in 2021 is joint-seventh lowest on record

Arctic sea ice has reached its maximum extent for the year, peaking at 14.77m square kilometres (km2) on 21 March. This is the joint-seventh smallest... Read More

Sea ice | Mar 31. 2021.
Polar-bear-on-pack-ice-in-Northern-Arctic

Arctic sea ice shrinks to second-lowest summer minimum on record

Arctic sea ice has reached its second lowest level on record, data shows. Each year, Arctic sea ice goes through a seasonal cycle, growing in area... Read More

Sea ice | Sep 21. 2020.
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