A court-ordered monitoring well tracking the health of the San Pedro River has run dry, according to new government data, and environmental groups say it's further evidence that overpumping at the U.S ...

Bad news for Fort Huachuca: A federal court has ruled in favor of the Center for Biological Diversity and the Maricopa Audubon Society that the military must do more to protect the San Pedro River.

One of nine monitoring wells established by a judge to monitor water flows on the imperiled San Pedro River dried up over the summer, raising environmentalists’ concerns about the river’s health.

The endangered Arizona eryngo, which flourishes in cienegas, or wetlands, can grow to 5 feet tall and live up to 10 years. Credit: Photo by Robin Silver/Center for Biological Diversity Federal ...

A pair of relocated beavers are helping restore disappearing wetland habitat along the San Pedro River in a new project by Arizona Game and Fish.

An endangered plant has all but disappeared from the San Pedro Riparian National Conservation Area, according to a Tucson-based environmental group that is suing the federal agency responsible for ...

A well that tracks the health of the San Pedro River in southern Arizona has gone dry for the first time in nearly 40 years. The well was one of nine established by court rulings in 2023 and 2024 that ...