Three wildland firefighters were killed near the Colorado-Utah state line and two more were injured as crews continue to battle dozens of wildfires in the western U.S. and beyond.

It allows a lawsuit against the Bears Ears and Grand Staircase Escalante national monument designations to move forward.

The Cowboy State is in the early stages of launching a voluntary water conservation program, but it has no money to pay applicants yet.

For the first time on record, solar power generated more electricity than coal in the United States during a full calendar month — a milestone that underscores how quickly the nation's power system is changing.

Around 2,000 structures are at risk in several states in the Mountain West region as some 2,100 firefighters battle almost two-dozen wildfires across Utah, Nevada, and Idaho, fire officials say.

The land agencies are taking steps to protect establishing climbing routes and their “fixed anchors,” which have been a subject for debate in recent years. Public comment is open throughout the summer.

A new study is challenging one of the most persistent arguments against removing aging dams: that nearby communities will suffer economically if the structures come down.

Arizona, Colorado and Utah got C grades in a new maternal mental health report card. Idaho, New Mexico, Nevada and Wyoming got Ds.

The Public Lands Integrity Act would classify public lands sales as “erroneous” under special rules for budget reconciliation bills, making them ineligible to pass with a simple majority vote.

Pressure to defund renewable energy projects is coming from the Trump administration and from grassroots groups.