Cryosphere Capsules

Thawing Permafrost Directly Increases Wildfire Risk and Carbon Emissions

Nature Geoscience, 9 January 2026 As frozen permafrost thaws and the seasonally thawed layer deepens, summers become hotter and drier,…

4 weeks ago

Polar and Mountain Microbial Communities Depend on a Stable Cryosphere

Nature Reviews Microbiology, 5 November 2025 This review summarizes the harmful impacts of snow and ice loss on microbial communities…

4 weeks ago

COP30 Video of the Week: Educating for the Cryosphere – 5 Years of Lessons Learned and Future Pathways for Impact

Education is a vital lever for climate resilience. This side event presented lessons from five years of implementing the Ocean…

4 weeks ago

Past Arctic Warming Reveals Greenland Ice Vulnerability at Low Temperature Thresholds

Nature Geoscience, 24 November 2025 The Prudhoe Dome ice cap in northern Greenland completely melted 7,000 years ago and was…

1 month ago

Today’s Emissions Choices Cause Stark Differences in Future Sea-Level Rise from Antarctica

Nature Communications, 5 December 2025 Very high emissions will trigger large-scale Antarctic ice sheet retreat over coming centuries, while net-zero…

1 month ago

COP30 Video of the Week: Warming of 1.5°C is Too High for Polar Ice Sheets

Ice loss from the Greenland and Antarctic ice sheets has quadrupled since the 1990s. This has raised concerns about their…

1 month ago

Happy Cryosphere 2026

Thank You for 2025! From the launch of the International Year of Glaciers Preservation during January and March in Geneva,…

1 month ago

Limiting Warming to 1.5°C Could Halve Glacier “Extinction” in Coming Decades

Nature Climate Change, 15 December 2025 Glacier loss is projected to rapidly increase this century, peaking between 2040 and 2055,…

2 months ago

Reduced Arctic Sea Ice Threatens Polar Cod, Restructuring Food Webs

Nature Communications, 6 November 2025 The amount of sunlight entering the Arctic Ocean will likely increase by 50-77% over coming…

2 months ago

COP30 Video of the Week: Super Pollutants, Arctic Shipping, Myths and Realities

Immediately reducing emissions of super pollutants – short-lived climate forcers – is the best option to avoid runaway Arctic warming…

2 months ago