The Arctic tundra is no longer the carbon sink it once was. "The tundra, which is experiencing warming and increased wildfire ...

The species name, Tillandsia usneoides, means that it looks like the Usnea lichen. Bryophytes are another fascinating group ...

The last nine years have been the warmest ever recorded in the Arctic Circle, and this year saw a number of new milestones in ...

Wildfires and thawing permafrost are causing the region to release more carbon dioxide than its plants remove, probably for ...

The shift from storing carbon dioxide to releasing it could have widespread implications for climate change, according to ...

Arctic tundra is releasing greenhouse gases into the atmosphere as hotter temperatures melt frozen ground and wildfires ...