After locking carbon dioxide in its frozen soil for millennia, the Arctic tundra is undergoing a dramatic transformation, driven by frequent wildfires that are turning it into a net source of ...

An illustration of the long-term evolution likely to occur as rising temperatures and subsequent thawing of frozen Arctic soils affects the northern Alaska tundra, as predicted by a high ...

The coastal geosystems' soil cover on islands in the Russian Arctic's Western sector remains the least studied. Unlike the tundra zone's subarctic landscapes, located mainly on the mainland ...

A greener Arctic brings new environmental threats, too. Tundra wildfires are now more common, spewing carbon dioxide into the air. By thawing soils and unlocking nutrients for microbes to digest ...

The arctic tundra encircles the North Pole ... So it’s root system is shallow to cope with the thin and frozen soil and the plants grow closely together to provide warmth and shelter from ...