Rivers and streams in Alaska are changing color – from a clean ... details how Colorado’s Rocky Mountains are seeing similar effects from, among other things, a warming climate.

A large low keeps it wet and windy for Alaska, especially coastal areas. But a slow warm-up will highlight the week.

Many once crystal-clear rivers and streams across Alaska now flow with 'milky orange ... active since Roman times,' he noted. 'There's Iron Mountain [another mine] in California, and on, and ...

Southcentral Alaska’s Susitna River is one of the nation’s most endangered rivers because of a state plan to build a 100-mile road into its uplands to encourage mining, oil and gas drilling ...