Today, tribes are working to bring back bison, which once roamed Indigenous lands by the millions. Some are getting help to rebuild their herds from the city of Denver, which manages two herds.

Record-low snowpack across the Upper Colorado River Basin will likely translate to poor conditions for spring runoff, and could mean emergency action to supplement low water levels in Lake Powell.

The price increases are exacerbated by the war in Iran.

Hot days and polluted air may be doing more than making people uncomfortable — they could also affect mental health. A new study from the University of Utah finds that short bursts of extreme heat, combined with certain types of air pollution, are linked to an increased risk of suicide.

Family caregivers are worried the cuts will jeopardize their livelihoods and ability to support their loved ones. Lawmakers and public health officials say they have no choice but to make them.