The warning goes into effect from 2 a.m. to 9 a.m. Friday MT. Temperatures from 29 to 32 degrees are expected in the upper ...

The window is closing fast to secure the Colorado River's future "and move beyond crisis-driven policymaking," says a coalition of seven Western environmental groups.

Arizona cities like Mesa, Phoenix, and Scottsdale face potential water restrictions from the Colorado River. Mesa is completing a new pipeline to better use water obtained in an agreement with the ...

PHOENIX – Seven states, including Arizona, missed Tuesday’s federally imposed deadline for a preliminary agreement on how to reduce Colorado River water usage after the current deal expires next year.

Arizona Gov. Katie Hobbs urged the Trump administration to help speed work on a plan to manage shortages on the Colorado River. The seven states said they were still working on an agreement, though ...

I pedaled through the drizzle to a ridgeline view of traffic on Interstate 10, then descended through the “snake tunnel” ...

As the Arizona Trail winds past the proposed Oak Flat copper mine, the search for climate solutions takes on new meaning.

Basin states have had 2 years to figure out how to share the shrinking river. Will they get there before the feds step in? On the day of a Nov. 11 federal deadline for states to submit a water ...

In these dire political times, as corrupt leaders in Washington fuel backlash politics and undermine basic rights, Deb ...

Arizona is working through tense negotiations with other states over shortages on the Colorado River. But what about negotiations inside Arizona? The state’s Department of Water Resources has ...

Here’s everything you need to know to plan a trip to Saguaro National Park in Arizona, including the best hiking trails, things to do, and more.

The website details the Innovation Core project and includes all planning maps and proposed land uses for its three "Cores." ...