The arid lands of the American Southwest are crisscrossed with lush ribbons of rivers, springs and wetlands supporting a rich diversity of aquatic and riparian species now facing an extinction crisis: ...

PHOENIX— Federal land managers have allowed years of extensive damage from livestock grazing to streamside habitats vital for ...

A newly released report shows widespread livestock grazing is destroying streamside habitats in New Mexico and Arizona.

In a world where biodiversity loss, invasive species, and habitat fragmentation continue to stress natural areas, it is more important than ever to restore imperiled waterways to healthy, thriving ...

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

Even though riparian areas in the western United States ... upland and aquatic ecosystems and are widely known for their high ...