LOS ANGELES (AP) — Earlier this year, several environmental groups sent a petition to the federal government with a seemingly simple message: Ensure that water from the imperiled Colorado River is not ...

In an effort to protect and reintroduce native fish, wildlife officials in Rocky Mountain National Park are closing several popular hiking trails along the northeastern end of the Colorado River this ...

SCOTTSDALE, Ariz.—Arizona mayors, from major metropolises to rural agriculture communities, came together Wednesday to announce a new coalition focused on protecting the state’s share of the Colorado ...

LOS ANGELES) — Earlier this year, several environmental groups sent a petition to the federal government with a seemingly simple message: Ensure that water from the imperiled Colorado River is not ...