States that share the Colorado River have been meeting behind closed doors. But as they’ve failed to forge a deal for the river’s future, more are questioning the negotiation process itself.

Widespread cuts and uncertainty could await cities, farms and ranches if a dispute heads to the Supreme Court

While not harmful to humans, a kidney disease is killing mountain whitefish. Warm waters make matters worse.

A federal plan for the Colorado River means big water cuts for Arizona. The Phoenix and Tucson areas will be hit hard. City leaders say they can keep taps flowing, but solutions will be expensive.

From Spokane, Wash. to Pueblo County, Colo., fast-moving fires have again wreaked havoc in neighborhoods this summer. Now, a network of scientists, fire professionals and other experts have joined forces to seek research-based solutions to the problem.

The federal agency's action — published Tuesday — contends that its decision is intended to "encourage energy production" in the midst of Trump's self-declared national energy emergency.

Fishing restrictions on the Firehole, Madison and Gibbon rivers were initially implemented in July due to low water levels and high temperatures.

The weather pattern favors dry conditions in the northern Rockies and wet conditions in the southern Rockies with some uncertainty in between.

So-called process based restoration (PBR) has a number of ecological benefits. But it can make ecosystems more resilient to wildfires when they come, and better able to recover in their wake.

Widespread drought, hot temperatures, low humidity and wildfires across the state are hurting the ability of ranchers to produce hay this summer and reducing the quality of forage in pastures.