With the Colorado River shrinking and its water rights in flux, the Central Arizona Project has assembled a coalition to ...

The Green River defies gravity: it flows through 99 miles of mountains thanks to movements hidden beneath the surface.

With little program in the Colorado River negotiations, some water experts are looking to a conservation program — featuring pools of invisible water and some accounting magic — as a possible path ...

The Colorado River is running dry. Cooperation is the only way forward, writes Pete McBride.

California and other downstream states are criticizing the Trump administration's options for dealing with the Colorado River ...

Relying on desalination, the San Diego County Water Authority will consider transferring water to cities in Arizona and ...

Following the Colorado River Basin states’ failure to reach an agreement, the future of the river and management of its two critical reservoirs now rest in the hands of the federal government.

With water levels at the West’s biggest dams set to plummet, the Trump administration will have to make tough political choices. Federal forecasters dramatically cut their estimates Friday for how ...

Record-low snowpack in the Upper Colorado River Basin and the prospect of near-record-low runoff this spring into Lake Powell are likely to ratchet up conflicts in the seven-state negotiations over ...

Here’s what you’ll learn when you read this story: On June 22, 1869, American geologist John Wesley Powell camped on one of the islands in the Green River and recorded history’s first known attempt at ...

The headwaters of the mighty Colorado River start in clear, cold mountain streams fed by snowmelt from jagged Rocky Mountain peaks. As these tributaries feed into the Colorado and flow south, they ...

MOAB, Utah — The governors of the Colorado River Basin states confirmed no deal had been reached to manage the river that supplies water to more than 40 million people. It is the second time the ...