permafrost
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Earth
A clearer understanding of the risk of permafrost thawing in Alaska
Cost estimates of infrastructure damage up to mid- or late-century caused by predicted warming and thawing permafrost forecasts compared to annual average climate and weather disaster price tags. Credit: Communications Earth & Environment (2025). doi:10.1038/s43247-025-02191-7 In the Arctic, permafrost plays an important role in building infrastructure. However, when the area gets warmer and the permafrost is thawed, the infrastructure is…
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Earth
Alaska’s lakes and ponds reveal the effects of permafrost thawing
Summit Lake in central Alaska is fed by the Gulcana Glacier, which can be seen in the background. Credit: Eric Levenson As climate change warms the Arctic, permafrost is thawed and carbon trapped in the soil is transporting into the atmosphere. Permafrost stores twice as much carbon as the atmosphere, but the extent to which this frozen carbon thaws and…
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Environment
Study provides refined estimates of permafrost loss in Alpine Asia due to future warming
The permafrost on the Qinghai-Tibetan Plateau is thawing, leading to recession. Credit: Jie Jiang Permafrost on the Qinghai-Tibet Plateau has thawed. Credit: Jiang Jie Climate models are important for predicting future changes caused by greenhouse gas emissions and can guide policy decisions regarding climate mitigation. However, some of the latest climate models, particularly the latest generation set, are considered “too…
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