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 ... the waterways' rusty color likely comes from minerals ...
Hikers trekking through Kobuk Valley National Park in Alaska during the summer ... those connected to the Akillik River, were ...
Orange streams are increasingly common in northern Alaska.Credit ... of native Alaskans and the watersheds of several significant rivers, and could affect the quality of drinking water and ...