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 news that the frigid Arctic tundra ringing the polar region has switched from being a net absorber, or "sink," of planet-warming greenhouse gases to a net emitter, or "source," indicates the ...

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 ...

The Arctic is rapidly changing from the climate crisis, with no "new normal," scientists warn.. Wildfires and permafrost thaw are making the tundra emit more carbon than it absorbs. From beaver ...

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 ...

Arctic tundra, Alaska’s Seward Peninsula.(Courtesy Gerald Frost/NOAA) Arctic tundra, which has stored carbon for thousands of years, has now become a source of carbon dioxide.

The Arctic permafrost region as a whole — which encompasses tundra and forests — has become carbon neutral over the past 20 years, meaning it’s neither absorbing nor releasing excess CO2 ...

For the 11th year in a row, the Arctic this year was more abnormally warm than the world as a whole, the report card said. The period from October 2023 to September was the second-warmest for the ...

The Arctic tundra contains a number of low shrubs and sedges as well as reindeer mosses, liverworts, grasses, lichens, and around 400 types of flowers. There are also a number of animals that call ...

The Arctic is rapidly changing from the climate crisis, with no "new normal," scientists warn.; Wildfires and permafrost thaw are making the tundra emit more carbon than it absorbs. From beaver ...