Expanding drought leaves western US scrambling for water

Tumbleweeds drift along the Rio Grande as sand bars within its banks grow wider. Smoke from distant wildfires and dust kicked up by intense spring winds fill the valley, exacerbating the feeling of distress that is beginning ...

US formally removes Colorado River fish's endangered status

The humpback chub, a rare fish found only in the Colorado River basin, has been brought back from the brink of extinction after decades of protection, though work must continue to ensure its survival, federal authorities ...

What happens in Vegas, may come from the Arctic?

A cave deep in the wilderness of central Nevada is a repository of evidence supporting the urgent need for the Southwestern U.S. to adopt targets aimed at reducing greenhouse gas emissions, a new UNLV study finds.

Water forecast is bleak for major reservoir in Southwest US

One of the most important reservoirs in the southwestern U.S. will likely collect less than half its normal amount of spring runoff this year because of a warm, dry winter across much of the region, forecasters said Wednesday.

Where states rank on water rights transfers

A new report from Stanford's Water in the West program assesses progress among states in the Colorado River Basin with respect to environmental water rights transfers, a legal tool that enables water rights holders to voluntarily ...

Colorado River flows will keep shrinking as climate warms

Warming in the 21st century reduced Colorado River flows by at least 0.5 million acre-feet, about the amount of water used by 2 million people for one year, according to new research from the University of Arizona and Colorado ...

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