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Environment
Jun 22, 2026
Analyzed by Glm 4.5 Flash

Mongolia's Vanishing Permafrost: Climate Crisis Transforms Arctic-Like Landscape

AI Summary
Mongolia is experiencing rapid warming, causing significant permafrost thaw that transforms its unique ecosystems and affects communities dependent on traditional herding, fishing, and tourism. The country's permafrost, which once covered 63% of its land, has now diminished to only 26-29%, with profound implications for the entire circumpolar north.

The Lead

As the climate crisis accelerates, Mongolia is warming rapidly, transforming the country's cryosphere, including some of the most southerly permafrost landscapes in the northern hemisphere. Although rarely associated with the Arctic, Mongolia has a remarkably cold climate, with Ulaanbaatar being the coldest capital city in the world.

The Permafrost Transformation

Historical surveys conducted in the 1970s suggested that nearly 63% of Mongolia was underlain by permafrost. Today, estimates indicate that only 26% to 29% remains. Unlike the ice-rich permafrost of Siberia, Canada or Alaska, much of Mongolia's permafrost is relatively warm, thin and dry, making it particularly sensitive to rising temperatures.

Environmental Consequences

Across the country, permafrost acts as an invisible foundation beneath forests, mountain valleys and steppes. By keeping water close to the surface, frozen ground helps regulate hydrology, sustain wetlands, springs and river systems, and maintain pastureland relied upon by nomadic herders. As the frozen ground thaws, environmental changes become visible in everyday life. Some pastures become wetter and marshier, while others dry out as water percolates deeper into the ground.

Impact on Communities

In the Darkhad Depression, one of Mongolia's largest permafrost regions, thermokarst ponds expand across the grasslands as underground ice melts and the ground subsides. Pingos collapse, wetlands migrate, and traditional grazing areas become increasingly unpredictable. Communities closely tied to fishing, herding and tourism are witnessing the visible transformation of fragile freshwater ecosystems shaped by climate breakdown and the changing cryosphere.

Future Outlook

Changes unfolding in Mongolia therefore affect not only local communities and ecosystems, but the entire circumpolar north. Because Mongolian permafrost occurs across a wide range of landscapes and environmental conditions, the country provides an important natural laboratory for studying permafrost dynamics. As climate change continues to accelerate, the need for adaptive strategies becomes increasingly urgent for Mongolia's vulnerable communities and ecosystems.