Across Arctic Alaska, once-clear rivers are shifting to a startling rust color, a visible scar of a warming climate etched ...

Arctic rivers flowing through Alaska are increasingly turning orange as wildfires, thawing permafrost and other factors contribute to an influx of heavy metals in these waterways. NOAA's annual Arctic ...

Add Yahoo as a preferred source to see more of our stories on Google. As temperatures rise, the timing of the ice thaw changes. Vincent Denarie via Arctic Report Card The Arctic is transforming faster ...

The Arctic is transforming faster and with more far-reaching consequences than scientists expected just 20 years ago, when the first Arctic Report Card assessed the state of Earth’s far northern ...

The National Oceanic and Atmospheric Administration issued its annual Arctic Report Card on Tuesday, which documents the way rising temperatures, diminished ice, thawing permafrost, melting glaciers ...

When scientists Patrick Sullivan and Roman Dial were heading to a remote area in the Brooks Range in 2019 to map the spread of woody plants there, they were looking forward to seeing a celebrated ...

NEW ORLEANS — Record-setting temperatures and rainfall in the Arctic over the past year sped up the melting of permafrost and washed toxic minerals into more than 200 rivers across northern Alaska, ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) The snow season is dramatically shorter today, sea ice is thinning and melting earlier ...

Patrick Sullivan stands by an acid seep on July 15,2023. Sullivan is part of a team of scientists who tested water quality in Kobuk Valley National Park's Salmon River and its tributaries, where ...