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 ...

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.

An orange tributary of the Kugororuk River is pictured in Alaska. Scientists are trying to find out why rivers and streams across Alaska's Arctic are turning a rusty orange color.

A new study shows that rusty discoloration in Alaska’s otherwise pristine streams and rivers is likely due to melting permafrost—and that’s a problem for Arctic animals and people.

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.

This story originally appeared on High Country News and is part of the Climate Desk collaboration. Dozens of once crystal-clear streams and rivers in Arctic Alaska are now running bright orange ...

Rivers and streams in remote parts of Alaska have been turning orange for years. ... Why some of Alaska's rivers are turning orange. Aliza Chasan. Wed, May 22, 2024 at 10:32 PM UTC.

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.

(CNN) — 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 ...

Researchers for years have been baffled as rivers and streams across Alaska turned orange, but new research points to climate change as an answer. Scientists suspect the drastic color change is the ...