The San Pedro River travels north into Arizona from across the border in Mexico. It’s the last free-flowing river in the ...

Mexico will dump 400 million gallons of sewage into the Tijuana River, which could spill into the united States, a San Diego ...

MAMMOTH, Ariz. — High above the San Pedro River Valley, the expanse between the Catalina and Galiuro mountain ranges ripples into the distance. The cracks and crevices between peaks expose the ...

We’re fighting to stop the Vigneto development, which would transform 12,167 acres of largely undeveloped habitat into massive sprawl relying solely on groundwater, draining the San Pedro River and ...

Lee Zeldin, who heads the Environmental Protection Agency (EPA), on Tuesday said she plans to visit the California-Mexico border to address issues pertaining to the "disgusting Mexican sewage" flowing ...

At the bottom of the valley, the San Pedro River snakes across the vast landscape. The northward flowing river originates in mountains of northern Sonora, Mexico, and connects to the Gila River ...

We’re fighting to stop the Vigneto development, which would transform 12,167 acres of largely undeveloped habitat into massive sprawl relying solely on groundwater, draining the San Pedro River and ...