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When permafrost soils thaw, the microbes find more organic material they can convert. As a result, nitrogen and nitrous oxide can also be outgassed from these soils. Small-scale climate models ...

A few decades ago, it was established that the farthest corners of our planet had conserved carbon in frozen permafrost for many years. However, recent studies led by experts at NASA suggest that ...

One-fourth of the land in the Northern Hemisphere has an underground layer that stays frozen all year long. Permafrost is ground that is frozen for at least two years. In many cases, permafrost has ...

Ecologist Christina Biasi is exploring the conditions under which tiny organisms contribute to permafrost soils emitting nitrous oxide. Her research could be essential for the development of ...

That’s a problem because the permafrost holds enormous amounts of vulnerable carbon, more than twice as much carbon as is already present in the atmosphere. Some of that carbon is now on the move.

The northern permafrost region, extending just south of the Arctic Circle, represents one of the planet’s most rapidly warming landscapes. Here, climate change is intensifying at a rate two to ...

An N.W.T. regulatory board has told the diamond mine it will need to run climate-change models beyond 100 years, or propose a ...

Erosion has left some houses in Nunapitchuk on their own little hills. They provide shade and support for the soil left undernearth. All over Alaska, perennially frozen ground, or permafrost, is ...

This can lead to exaggerated expectations of environmental impacts, such as permafrost loss. Permafrost, or soil that remains at or below freezing for at least two consecutive years, is a ...

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