A new international study involving researchers from the University of Gothenburg shows that vegetation in the Arctic is changing rapidly as species from nearby forests spread into the tundra. This ...

The story of Arctic greening has overlooked some main characters. At center stage are climate change and warming temperatures. Meanwhile, large grazing wildlife, such as caribou and muskoxen, also ...

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 ...

Researchers at the University of Oulu, Finland, have observed significant vegetation changes in the treeless heath and tundra regions of northern Finland and Norway over recent decades, marked by the ...

The change from grasses and sedges to larger, woody-stemmed shrubs, called shrubification, has already had an impact on caribou herds which normally feed on grass, herbs, and lichens. There have been ...

Rapid climate change is upending plant communities in the Arctic, with species flourishing in some areas and declining in others, according to a new study in Nature. The decades-long investigation, ...

Posts from this topic will be added to your daily email digest and your homepage feed. It’s a vicious cycle. Rising temperatures are stoking wildfires in the Arctic, which is leading to more of the ...

When UC Santa Barbara doctoral student Seeta Sistla and her adviser, environmental studies professor Josh Schimel, went north not long ago to study how long-term warming in the Arctic affects carbon ...

Add Yahoo as a preferred source to see more of our stories on Google. Green summer tundra and the rolling Mulgrave Hills in northwestern Alaska's Cape Krusenstern National Monument are seen on July 11 ...

Foreboding environmental milestones abounded again this year in the Arctic, where experts say dramatic climate shifts are fundamentally altering the ecosystem and how it operates. One recent turning ...