Where is permafrost found?

Permafrost is permanently frozen ground, a common feature in the high latitudes, mostly in the tundra biome Climate changes can expand or reduce the areas affected by permafrost, which currently includes the Arctic lands in Canada, Greenland, Scandinavia, and Russia. However, some areas have a thin layer of soil at the surface that can thaw during the summer. This is called an active layer and can be boggy because melt water cannot drain into the underlying permafrost.

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