As glaciers retreat in warming regions, the risk of related hazards can increase, and improved monitoring may help reduce some of those dangers, according to a new study.
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“Near-miss” Tsunami in Alaskan Cruise Area Offers Lessons for Steep Landscapes Near Glaciers – State of the Planet
Abatify Summary
Nature & Climate Perspective
**Accelerated glacial retreat in high-latitude regions creates volatile feedback loops that destabilize coastal landscapes and threaten the long-term sequestration potential of northern carbon sinks. **
- Increased geohazard frequency, such as landslides and tsunamis, directly compromises the 'permanence' of LULUCF (Land Use, Land-Use Change, and Forestry) projects in glacial corridors.
- Deglaciation alters sediment transport and freshwater inputs, which can disrupt the delicate salinity balances required for Blue Carbon ecosystems and marine biodiversity.
- The transition from stable ice-covered terrain to unstable steep slopes necessitates a re-evaluation of ecosystem-based adaptation strategies to prevent catastrophic carbon reversals.
Market & Policy Outlook
**The rising risk of climate-induced geohazards forces a critical re-evaluation of risk modeling within the ICVCM framework, particularly concerning the 'Permanence' and 'Robust Quantification' Core Carbon Principles. **
- Under ICVCM CCPs, projects in deglaciating zones may require significantly larger buffer pool contributions to mitigate the systemic risk of physical carbon loss from tsunamis or landslides.
- Financial liquidity for high-latitude Nature-Based Solutions (NbS) may tighten as insurers and investors price in 'near-miss' events as lead indicators for catastrophic asset failure.
- Corporate compliance and Scope 3 disclosures, aligned with TCFD or CSRD, must now integrate sub-seasonal monitoring data to accurately reflect the physical risk profiles of Alaskan and Arctic-adjacent supply chains.
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