Ozone layer treaty pushed back ice-free Arctic summers up to 15 years
22 May 2023
A 1987 treaty to ban ozone-destroying gases helped delay the first Arctic summer with no ice, which is now projected to happen by 2037 at the earliest
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Polar ice sheets may retreat much faster than previously thought
5 April 2023
Traces on the sea floor suggest an ancient ice sheet retreated at more than 600 metres per day at the end of the last glaciation, raising concern about the fate of modern ice sheets
Atlantic Ocean water began warming the Arctic as early as 1907
24 November 2021
A sediment core from Svalbard has revealed a sudden influx of warm water in the Arctic in 1907, which is evidence of a process that is spurring ice loss
‘Zombie’ fires in Alaska and Canada may be becoming more common
19 May 2021
Some forest fires burn in the summer, smoulder through winter and reignite in spring – and a new model suggests they may be becoming more common in parts of the Arctic
Arctic sea ice loss could trigger huge levels of extra global warming
27 October 2020
Arctic sea ice vanishing in summers by 2050 could trigger 0.19°C of extra global warming – almost enough to wipe out any savings from China going carbon neutral
Climate change may kill off nearly all polar bears by 2100
20 July 2020
Unchecked climate change will doom all but one of the world’s populations of polar bears before the end of the century, as vanishing sea ice increases their annual fasts beyond their limits
Arctic explorers find unusually thin ice as a result of climate change
6 July 2020
The biggest ever science expedition to the Arctic found sea ice that was so unusually thin that it could threaten future efforts to study the effects of climate change in the region
Major fires hit the Amazon and the Arctic for the second year in a row
26 June 2020
This year is shaping up to be an average one for global forest fires, but the vital ecosystems of the Amazon and the Arctic are experiencing a second year of severe blazes
'Zombie' fires are burning the Arctic after smouldering under snow
15 May 2020
Unprecedented Arctic fires from last summer appear to have smouldered in the underground peat of the tundra through winter and reignited this month as snow melted
How Norway secured its Arctic doomsday vault against climate change
4 March 2020
The flooding of the Svalbard Global Seed Vault in 2016 raised concerns over the future of seed backups in a warming world – so Norway made €20 million of upgrades to the facility
