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. An orange ...

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 ... say that the waterways' rusty color likely comes ...

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. The finding ...

Researchers for years have been baffled as rivers and streams across Alaska turned orange ... there's potential for streams to be turning orange and becoming degraded in terms of water quality." ...

Numerous rivers and streams in Alaska’s remote Brooks Range are turning orange due to the thawing of permafrost, which is releasing previously frozen minerals into the water. Water samples from ...

Dozens of Alaska's rivers and streams are turning orange. The staining could be the ... issue when he visited a river in 2018 that appeared rusty despite having been clear the year prior.

An ecological nightmare is unfolding in the largest US state by land area, Alaska as several of its rivers turn ... orange hues. At least 75 of the Alaskan rivers have transformed into rusty ...

were colored a shocking rusty orange. An aerial view of the Kutuk River in Alaska’s Gates of the Arctic National Park, where a portion of the water is rust-stained. | Ken Hill/National Park ...

Alaska's melting permafrost is dumping toxic metals into the state's rivers, turning them bright orange and making the ... Chemical analysis of the rusty rivers revealed high levels of zinc ...

It was a cloudy July afternoon in Alaska's Kobuk Valley National Park ... But how, exactly, permafrost thaw is turning these rivers orange has been a mystery. Solving it is crucial for ...