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 ...

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 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 ...

As Arctic summers warm, Earth's northern landscapes are changing. Using satellite images to track global tundra ecosystems over decades, a team of researchers finds the region has become greener as ...

From rising oceans to species extinction, climate change is affecting our world in numerous ways. Now, an international team of researchers has revealed the wide-ranging impact that the changing ...

From extreme melt events to an influx of beaver colonies in Alaska, and rain falling at the summit of Greenland for the first time on record, the Arctic region showed clear symptoms of an ailing ...