Reducing water-intensive crops and increasing investment in protected agriculture have created new opportunities. Nogales, AZ ...

It was a September morning in 2020, and Deni Seymour, an archeologist, was searching for artifacts along the Santa Cruz River near Nogales, Arizona ... would become New Mexico, Texas, Oklahoma ...

Mexican President Claudia Sheinbaum is planning to build around 2,000 miles of passenger rail along three new ... all of Mexico’s current freight trains run on diesel. Nogales, Arizona, Mayor ...

Conservation groups say the proposed Arizona routes for an Interstate 11 project failed to consider habitat for imperiled desert species.