As water supplies in the Colorado River decline, Central Arizona is first on the chopping block, leaving cities to compete ...

As Colorado River experts and advocates gather for an annual conference, a scientist's harsh climate warning clouds efforts ...

Deep below the surface of the ground in one of the driest parts of the country, there is a looming problem: The water is ...

As the Colorado River’s reservoirs have declined, even larger amounts of groundwater have been drained from aquifers. Using ...

Thirty federally recognized tribes lay claim to a fourth of the Colorado River, a vital water source for 40 million people ...

In the midst of negotiations over the future of the overallocated Colorado River, there’s a conference this week in Boulder ...

On its surface, floating solar appears to conserve water while generating carbon-free electricity. River managers are ...

The Colorado River Basin lost an alarming amount of groundwater over the past 20 years, a new study found. Nearly 28 million acre-feet of water has been depleted from the region, nearly the volume of ...

Arizona Senate President Warren Petersen (R-Gilbert) suggests desalination should be a part of ongoing Colorado River ...

The Colorado River Basin has lost twice as much groundwater since 2003 as water taken out of its reservoirs, according to a ...

It's ridiculous that we know so little about how much water Arizona stands to lose from the Colorado River. But we can ...