Alaska's melting permafrost is dumping toxic metals into the state's rivers, turning them bright orange and making the water ...

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 ...

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, but new research points to climate change as an answer. Scientists suspect the drastic color change is ...

Alaska's rivers and streams are becoming toxic as a strange "milky orange" color stains their waters, a new study has found The research from the National Park Service, U.S. Geological Survey, the ...

Dozens of Alaska's rivers and streams are turning orange. The staining could be the result of minerals exposed by thawing permafrost and climate change, finds a new study. Dozens of Alaska's most ...

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 ...

Scientists say that dozens of waterways in Alaska are "rusting," or turning into a dirty orange. They said permafrost thawing in the summer is now exposing minerals to the surface, releasing ...

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 ...

Chemical analysis of the rusty rivers revealed high levels of zinc, nickel, copper and cadmium, as well as iron, which is largely responsible for the orange hue of the waterways. Researchers also ...