Arizona's water chief reports $4 billion for Colorado River conservation is accessible again, but federal agencies haven't ...

A Native American tribe with a powerful water claim had an ultimatum for the Trump administration: Release money to protect ...

The federal Bureau of Reclamation had issued an ultimatum to Arizona, California and Nevada: Find a way to stop using least 2 ...

If the seven states dependent on the Colorado River don't craft a new operating agreement, the federal government could end ...

Officials urged the Interior secretary to retract a Biden administration report meant to guide a future deal on how to share ...

The federal agency charged with managing the Colorado River failed to do its job properly when it excluded a viable option ...

The hourglass is running out of sand when it comes to solving the crisis on the Colorado River, but a group of states sees an ...

“The level of uncertainty is greater than it’s ever been, and the challenges are greater than they’ve ever been,” Tom Buschatzke, Arizona’s lead Colorado River negotiator, told The Hil ...

Shortage on the Colorado River increases the importance of protecting groundwater as the backup supply for cities in central ...

Arizona State Parks and Trails recently received two prestigious accolades at the 43rd Environmental Excellence Awards presented by Arizona Forward and SRP. The Kids on the Colorado ...

The federal Bureau of Reclamation had issued an ultimatum to Arizona, California and Nevada: Find a way to stop using least 2 million acre-feet of Colorado River water, or we’ll find one for you.