In tundra regions, average annual soil temperatures are trending toward above freezing, leading to a greater incidence of organic decomposition, which contributes CO2 to the atmosphere. In addition, ...

The study, published in the peer-reviewed journal Nature Climate Change, said the change appeared to have taken place in “many tundra regions” and called it a “noteworthy shift in carbon ...

Approximately 99% of the Eurasian tundra region experienced significant warming, compared to 72% of Eurasian boreal forests. While some hotspots in Siberia and the Northwest Territories of Canada ...

Open water does not affect Alaska’s western and eastern Arctic tundra regions equally, and the results are seen on the ground, Dial said. Both the Western Arctic herd range and the Porcupine ...

Searchers flew over stretches of ice-covered seas and scoured miles of frozen tundra Friday for any sign of a plane that went ...