A major union in Sonora, the Mexican state to Arizona’s south, is threatening a large general strike this summer.

A sharp increase in pollution due to high temperatures and nearby fires has led the government to restrict traffic, close schools and order people indoors in Mexico's capital.

A Senate committee passed legislation Wednesday that gives the Navajo the right to take a portion of Utah’s Colorado River allotment.

The number of non-citizens living in Phoenix are worth more than $1 billion in funding over the next decade. If the Supreme Court allows the citizenship question, Phoenix would have less than a year to convince undocumented people not to fear outing themselves to the federal government.

The Navajo Nation Council passed legislation Monday to renew a training program to become a medicine man or woman. The tribe is concerned about losing its culture and ceremonies.

Mexican tomato growers are hoping the U.S. Court of International Trade court blocks a recently restarted anti-dumping investigation and the collection of steep duties.

Arizona is not the only place being affected by serious ozone levels. As hundreds of fires and high temperatures hit southern Mexico, the air quality is getting worse in cities like the capital, where many citizens are growing concerned.

U.S. immigration officials have sent more than 5,000 asylum applicants to Mexico under a controversial Trump administration plan that forces them to wait there for their day in court.

A federal appeals court ruled the Interior Department illegally approved oil and gas drilling near Chaco Canyon. Tribal leaders opposed the drilling near ancient Native American cultural sites.