Scientists have discovered that the Arctic's vast permafrost areas are now releasing more greenhouse gases than they absorb, ...

A new study highlights the importance of caribou and muskoxen to the greening Arctic tundra, linking grazing with plant phenology and abundance in the Arctic tundra.

Schaller. The results of the study could also be of significance beyond the Arctic: similar processes are also taking place in other regions with calcium-rich soils. In the long term, it would be ...

“As part of NGEE Arctic, I investigate how wildfires regulate the ability of soils to store carbon,” said Fernanda Santos, ORNL staff scientist and NGEE Arctic team member. “Fire can ...

Slumping hills and polygon fields The thaw and collapse of buried glacial ice is also causing hillsides to slump at increasing rates across the Russian and North American Arctic, sending soil ...

Tree planting has been widely touted as a cost-effective way of reducing global warming, due to trees' ability to store large quantities of carbon from the atmosphere. But, an international group of ...