Geologists may have finally solved a longstanding mystery surrounding the Colorado River's largest tributary, which appears to have defied gravity and flowed uphill when it first formed. The Green ...

Record low winter snows mean insufficient water in the Colorado River. Here's how a city that's first in line to be cut off ...

In parts of the Upper Colorado River Basin, families still live without reliable access to safe drinking water. That’s not a ...

The future of the Colorado River, and its use by seven states that rely on it, is still up in the air after negotiators failed to meet a deadline set by the federal government. The Upper Basin and ...

A worker cleans grates in an irrigation ditch in Imperial Valley on Oct. 10, 2023. A pump sends Colorado River water to sprinklers on a farm field. / Photo by Ariana Drehsler Sign up for The Morning ...

Getting your Trinity Audio player ready... Negotiators tasked with hammering out the future of the shrinking Colorado River — and the 40 million people who rely on it — are once again careening toward ...

As I’ve followed the long-running negotiations over the Colorado River the last couple of years, very little progress has been made in transforming the century-old system of managing the river’s ...

Time is up for Arizona and six other southwestern states to reach an agreement on sharing Colorado River water, or risk the federal government stepping in with its own plan. On Friday, Tom Buschatzke, ...

One day before the deadline, states in the Upper Colorado River Basin reached consensus on how to manage water rights and dwindling resources moving forward, but the Lower Basin states rejected the ...