Tag - Rapidly Growing

Alaska’s Colorful Rivers are Rapidly Growing, and We’ve Discovered Why

An aerial view of the rust-colored Kutuk River in Gates of the Arctic National Park in Alaska. Thawing permafrost is exposing minerals to weathering, increasing the acidity of the water, which releases metals like iron, zinc and copperFor the first time, a large team of North American scientists has mapped Alaska's 'rusting' rivers and...