At least 75 of Alaska's waterways are turning orange in the summer, with some so acidic they're comparable to lemon or orange juice, researchers say.

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.

Experts Reveal Why Alaska’s Rivers Are Turning Bright Orange and It’s More Serious Than ... At least 75 of the Alaskan rivers have transformed into rusty waterways in the Brooks mountain ...

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.

Thawing permafrost may be turning clear water in some of Alaska’s remote watersheds into a dusty, murky orange. As the frozen layer of soil melts, minerals become exposed and seep into the water ...

But how, exactly, permafrost thaw is turning these rivers orange has been a mystery. Solving it is crucial for understanding what the sweeping ecological impact could be and to help communities ...

Dozens of rivers and streams in the far reaches of Alaska have turned from crystal clear to a rusty color, some looking “like a milky orange juice.” According to a new study, the culprit is ...

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 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.

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.