A ghostly white figure perched on a Texas light pole has left residents and birdwatchers stunned. A snowy owl, a bird usually ...

Arctic Tundra: Biomes, Climate, and Wildlife. Posted: April 26, 2025 | Last updated: April 26, 2025. Provides an introduction to Earth's biomes, explaining how they are communities of living ...

On the morning of Sunday, June 30, 2024, the air in the Arctic tundra was anything but arctic. It was a windless and muggy 72-degree day. Under the hazy blue sky, the crisp aroma of Labrador tea ...

A map of Arctic precipitation from January to March 2024 shows the wide differences among regions and where some saw their wettest year on record. Arctic Report Card 2024, NOAA Climate.gov NOAA ...

These changes have pushed the tundra ecosystem over an edge. Susan Natali and colleagues found that the Arctic tundra region is now a source — not a sink, or storage location — for carbon dioxide.

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 ...

From Alaska to Siberia, the Arctic is changing so rapidly that there is no "normal" there now, scientists warn. The consequences reach across the globe. The Arctic tundra now releases more carbon than ...

These changes have pushed the tundra ecosystem over an edge. Susan Natali and colleagues found that the Arctic tundra region is now a source – not a sink, or storage location – for carbon dioxide.

Susan Natali and colleagues found that the Arctic tundra region is now a source – not a sink, or storage location – for carbon dioxide. It was already a methane source because of thawing permafrost.

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 ...