An orange tributary of Alaska's Kugororuk River Josh Koch, U.S. Geological Survey Some of the water samples had a pH of 2.3, compared to an average pH of 8 for rivers, which means the impacted ...

The above image isn't a heat map, despite its bright colors. Instead, it's a photograph of Kutuk River in Gates of the Arctic, a vast national park in the remote northern region of Alaska.

Map of orange stream observations across Arctic Inventory and Monitoring Network (ARCN) parks in northern Alaska. Picture inserts show aerial images of select iron-impacted, orange streams.

Rivers and streams in Alaska are changing color – from a clean, clear blue to a rusty orange – because of the toxic metals released by thawing permafrost, according to a new study.

ANCHORAGE, Alaska — Ice jams that blocked two Alaska rivers broke loose over the weekend, unleashing a surge of ice and water that caused major floods, damaged homes and left behind huge chunks ...

For the first time, scientists from across North America have formed a clear picture of Alaska's 'rusting' rivers and streams, tracking 75 areas in the remote Brooks Range that are flushed with ...

Climate change is likely causing dozens of rivers in Alaska to flow orange, and it could be disastrous for the state, researchers say. May 24, 2024 More than 1 year ago 4 min ...

At least 75 of Alaska's brooks and streams have been turning a dirty orange likely due to thawing permafrost, with some rivers so impacted that the discoloration can be seen via satellite, a new ...

Alaska's Arctic rivers are home to a variety of fish that are "critical for subsistence, sport, and commercial fisheries," researchers wrote. Iron and other toxic metals in the water could ...