Across Arctic Alaska, once-clear rivers are shifting to shades of pumpkin, rust and even blood red, a startling visual proof that thawing ground is spilling buried minerals into the water. What looks ...

Permafrost underlies upwards of of 85 percent of Alaska’s landmass, and its melting due to climate change is causing serious ecological damage. A new study looks at just one Arctic watershed and found ...

A new study found that 75 streams in Alaska’s Brooks Range have turned orange due to thawing permafrost, which releases metals like iron, aluminum and cadmium that exceed U.S. Environmental Protection ...