Add Yahoo as a preferred source to see more of our stories on Google. Green summer tundra and the rolling Mulgrave Hills in northwestern Alaska's Cape Krusenstern National Monument are seen on July 11 ...

Add Yahoo as a preferred source to see more of our stories on Google. Foreboding environmental milestones abounded again this year in the Arctic, where experts say dramatic climate shifts are ...

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 ...

Biomes are the world's major habitats. We identify biomes by the vegetation and animals that populate them and determine the location of each by the regional climate. The tundra biome is characterized ...

The Arctic tundra, a critical “carbon sink” for thousands of years, is now releasing more of the greenhouse gas than it takes in, scientists have announced. Carbon sinks like the Arctic play crucial ...

The tundra regions have become a net carbon source rather than a carbon sink, the result of permafrost warming, increased wildfires and other effects of climate change, said the 2024 Arctic Report ...

The boreal forest, covering much of Canada and Alaska, and the treeless shrublands to the north of the forest region, may be among the worst impacted by climate change over the next 500 years, ...

The last nine years have been the warmest ever recorded in the Arctic Circle, and this year saw a number of new milestones in the region: It was the rainiest summer on record, and plant life bloomed ...