But warming air temperatures in the Arctic are breaking down permafrost across the tundra, in some cases, severely. The Arctic report, for example, showed Alaskan permafrost temperatures in 2024 ...

On the North Slope of Alaska’s Brooks Range, Isla Myers-Smith knelt in the green vegetation of recently thawed earth. She’d only just laid eyes on the treeless Arctic tundra for the first time ...

Arctic tundra, which has stored carbon for thousands of years, has now become a source of planet-warming pollution. As wildfires increase and hotter temperatures melt long-frozen ground, the ...

Warming global climate is changing the vegetation structure of forests in the far north. It’s a trend that will continue at ...

For millennia, the tundra regions of the Arctic drew in carbon from the atmosphere and locked it in permafrost. That is the case no more, according to an annual report issued on Tuesday by the ...

The tundra is just below the Arctic ice caps and includes parts of North America, Europe, and Siberia (a vast portion of Alaska and nearly half of Canada fall in this biome). Tundra plants are ...

The Arctic tundra is warming up and that's causing long-frozen ground to melt as well as an increase in wildfires. The region is "now emitting more carbon that it stores, which will worsen climate ...

The Arctic tundra has historically helped reduce global emissions. But rising temperatures and wildfires in the region are changing that, scientists say. Arctic tundra becoming a source of carbon ...