The Gila River winds through a harsh desert landscape, but it's surprisingly rich in wildlife. These are some of the species ...

The Western Gateway pipeline will deliver up to 200,000 barrels of gas a day, but environmental groups raise new concerns.

Casa Grande Ruins National Monument located in Arizona preserves Hohokam Culture and ruins of the largest prehistoric st ...

As the eastern coyote is more frequently seen on city streets in Portland, as well as in the countryside, the animal is often ...

The Republic's climate reporter started her journey on the Arizona Trail with detours that were forced by wildfires and left ...

Its roots go back to the 1960s, when growing awareness of air and water pollution and environmental disasters including oil spills and pesticide use inspired local environmentalists. By then, uncurbed ...

Art Martinez, a clinical psychologist and member of the Chumash Tribe, helped run an American Indian youth ceremonial camp.

Environmental groups have called the USDA's plan a "sweetheart deal" for ranchers at the expense of Arizona's public lands.

The plan covers all BIA offices, including central offices in Washington, D.C., New Mexico and Colorado ... the funding we are legally due as a sovereign tribal nation." The Gila River Indian ...

About 50 Sonoyta pupfish were released into an artificial stream inside the University of Arizona's Biosphere 2 on Friday in ...

Las Vegas perches in northern New Mexico’s high country like a Victorian treasure that doesn’t cost a treasure. This historic city boasts over 900 buildings on the National Register without charging ...

Looking for cities in New Mexico where Social Security covers living expenses? These 10 cities offer comfortable living and manageable costs for fixed incomes! 1. Roswell Downtown ...