Brandon Loomis

Arizona's groundwater law offers rural communities little protection from big farming operations. Kris Mayes says a nuisance lawsuit could help.

The U.S. Forest Service has a new firefighting helicopter base outside of Payson. This week, a helitack crew is using it to stage a prescribed burn.

The mountains that send meltwater to the Colorado River started April well above average for projected water supply, but started May below average.

In Arizona's Sky Islands, dry summers may be pushing some bird species away from traditional migratory routes.

Phoenix gets national coverage for dangerous heat, but rising temperatures force New York to confront past and present inequities.

Arizona Republic Border wall segments that the first Trump administration built in southeastern Arizona largely blocked wildlife species

States agree that climate change is making the Colorado River less reliable, but at a water conference, they did not meet to talk.

A flush of cleaned wastewater into the Santa Cruz River has restored a fish and wildlife connection in Arizona's Sky Islands.

The Santa Cruz River cuts through citrus orchards and rests dry south of Tucson.

The fires are harbingers of even more dangerous times ahead if residents don’t adapt to changing conditions, experts say.