Cryosphere Capsules

Sea Ice: Last Line of Defense for Weakened Antarctic Ice Shelves

Nature Geoscience, 1 July 2025 Researchers tracking sea ice, ocean swell and ice shelf conditions over multiple years in two…

11 months ago

COP29 Video of the Week: It’s Getting Hot Up Here – A Beginner’s Guide to the Shrinking Arctic Sea Ice

Dr. Robbie Mallett from the University of Tromsø shared a synopsis of the current state of Arctic sea ice, reflected…

11 months ago

Newly Found Ocean Feedback Loop Threatens the Future of Antarctic Sea Ice

Proceedings of the National Academy of Sciences, 30 June 2025 Satellite observations have revealed a sharp increase in the salinity…

11 months ago

Black Carbon Drives Glacial Retreat, Snowfall Decline in Tibetan Plateau

Communications Earth and Environment, 4 June 2025 Black carbon emissions have significantly reduced frozen water storage across the Tibetan Plateau,…

11 months ago

Warming Increases Amount of Harmful Algal Blooms

Communications Earth and Environment, 9 June 2025 This research suggests that warming coastal waters will significantly increase the occurrence of…

11 months ago

Observed Emperor Penguin Population Decline Double that of Projections

Communications Earth and Environment, 10 June 2025 Emperor penguin populations in Antarctica have declined two times faster than previously predicted…

11 months ago

Press Conference at UNFCCC Meetings in Bonn: Two Sides of the Same Ice Cube – Thresholds Well Below 1.5°C Paris Limit for Ice Sheets, Glaciers

Major tipping points for Earth’s ice sheets and mountain glaciers can occur at temperatures well below 1.5°C. Lead authors of…

11 months ago

Clarification of the UNOC 3 Green Zone “Pavilion de la Cryosphère” as Unassociated with ICCI and COP Cryosphere Pavilions

Dear Friends of the Cryosphere Pavilion and Cryosphere Capsule Readers, Due to ongoing confusion and to avoid misrepresentation, ICCI and…

12 months ago

Present-Day Warming Nearing Critical Threshold for West Antarctic Ice Sheet Stability

Communications Earth and Environment, 30 May 2025 Research analyzing the Antarctic Ice Sheet's behavior over the past 800,000 years finds…

12 months ago

North Atlantic Marine Heatwaves Growing Increasingly Frequent, Intense

Nature, 4 June 2025 The North Atlantic Ocean experienced an unprecedented marine heatwave in summer 2023, driven by unusually weak…

12 months ago