Foreboding environmental milestones abounded again ... evaluation was the effects of warmer weather and wildfires on the tundra, a far-northern biome that's typically known for extreme cold ...

Tundra describes the Arctic’s tree-less plains ... Understanding how the environment is changing, through research like the Arctic Report Card, might similarly help humans adapt.

In the Arctic tundra, there have long been signs of a ... Gathering data in the vast Arctic environment is always a challenge, but Russia’s war in Ukraine has compounded the difficulties ...

The Arctic tundra now emits more carbon dioxide and other greenhouse gases than it absorbs. Rising temperatures due to climate change have shifted the ecosystem’s effect on the planet – it has ...

But the Arctic has warmed up at a faster rate than the planet as a whole during that period and its tundra is now releasing more carbon dioxide than it stores, according to scientists’ annual ...