When the Arctic air warmed up in the 1980s, this delicate ecosystem started venting large quantities of carbon dioxide gas into the atmosphere, potentially adding to global climate change.

In the past three decades, multiyear ice, the thickest (and oldest) type that supports the Arctic marine ecosystem, has declined by 95 percent.

As the Arctic warms, beavers are moving in Scientists are just beginning to study the impacts of beaver dams on the tundra. Sharon Levy, Knowable Magazine – Dec 4, 2022 7:12 am | 110 ...

The Arctic could be "ice-free" in just a few years, scientists have found. Here's what that means. The region, which sits at the northernmost point of the globe, is a unique ecosystem ...

The arctic ecosystem depends on them. In springtime, the algae bloom brilliant shades of green and draw tiny crustaceans, fish, birds and more to Arctic waters.

Aerial photography from the 1950s showed no beaver ponds at all in Arctic Alaska. But in a recent study, Ken Tape, an ecologist at the University of Alaska Fairbanks, scanned satellite images of ...

For the Arctic, this means that air temperatures and autumn rain will only continue to increase, the study says. It's a negative impact on local ecosystems, but for humans as well, as Arctic lake ...

The Arctic ecosystem, spanning Siberia, Alaska, the Nordic countries, and Canada, has been accumulating carbon for thousands ...

The higher latitudes of the Arctic play a key role in the global climate and are home to many unique ecosystems linked to sea ...