For much of the last 23 years, the Colorado River has been ravaged by unrelenting dryness, its reservoirs falling to their lowest levels since they were filled. New research shows that global warming ...

The Colorado River is set to lose even more water because of climate change, a study has found. The new research comes from the Desert Research Institute (DRI), the U.S. Geological Survey and the ...

The drought-stricken Colorado River is in critical condition. Almost two years ago, the federal government declared the first ever shortage on the river, triggering cuts to water supplies in the ...

FILE - The Colorado River in the upper River Basin is pictured in Lees Ferry, Ariz., on May 29, 2021. The Supreme Court has ruled against the Navajo Nation in a dispute involving water from the ...

The 1922 Colorado River Compact, a foundational interstate agreement that informs the management of a river that serves 40 million people, did not settle Native American tribes’ water rights. Tribes ...

On the headwaters of the Colorado River, water managers fear they are on the brink of a system failure as drought and climate change rewrite the old rules. Winter snowpack is no longer a reliable ...

Central Arizona could face 'critical levels' on the Colorado River, and an ASU researcher says cities need to develop back-up plans to keep water flowing to homes and businesses. Some cities have ...

Seven Western states are starting to plot a future for how much water they’ll draw from the dwindling Colorado River in a warmer, drier world. The river is the lifeblood for the West – providing ...

The Biden administration on Wednesday released a wide range of options for the long-term future of the Colorado River, which officials said "provides the framework for a realistic and fair path" to ...

Dismal runoff led to a precipitous drop in water levels at Lake Powell this summer, forcing the National Park Service to close boat ramps and move docks into deeper waters. If this coming winter’s ...

A new book about water management on the Colorado River offers treasures for at least four semi-distinct groups of readers: avid outdoor adventurers (particularly dusty river runner types); students ...