Cloud seeding study validates ski industry staple
Cloud seeding disperses dust-sized silver iodide particles into clouds so that ice crystals can form on those particles and fall to the ground as snow.
Tri-State, Xcel, Colorado eye Yampa River water for “green hydrogen” projects
The Yampa Valley’s existing coal-fired plants have strong water portfolios that could be used to create green hydrogen or another storage technology called molten salt.
Video: The vanishing vaquita
Should Colorado River water be used to grow alfalfa or subdivisions in the Phoenix metropolitan area?
Colorado has big dreams to use more water from the Colorado River. But will...
The site where Ute Water plans to build Owens Creek Reservoir at 8,200 feet on the Grand Mesa was snow covered by mid-November. The...
Is ecosystem change in the Sacramento-San Joaquin Delta outpacing the ability of science to...
A science panel argues for a new approach to make research nimbler and more forward-looking to improve management in the ailing Delta.
With wildfire-prevention work, Flagstaff seeks to avoid the next devastating flood
FLAGSTAFF, Ariz. – Five large wildfires have burned tens of thousands of acres in the forests around this northern Arizona city in the last...
Photos: Dolores River and McPhee Reservoir, September 2026
This page features photos of the Dolores River and McPhee Reservoir in southwest Colorado.
The Dolores River begins in the San Juan Mountains and travels about...
Photos: San Luis Valley and Rio Grande aerials, May 2024
This page in our free multimedia library features aerial photos of the Rio Grande and San Luis Valley in southern Colorado.
The Rio Grande begins...
Electric costs in Colorado set to surge as Lake Powell struggles to produce hydropower
A federal agency aims to offset rising costs linked to Lake Powell’s inability to produce as much hydropower due to drought.
Scientists clash over how to track the West’s vital snowpack
Supporters of airborne snow surveys dispute “hotspots” study on water forecasts












