Paddling at sunset in the Boundary Waters Canoe Area Wilderness in northern Minnesota. (Photo by Hansi Johnson) ...

The Colorado River, essential to millions, starts its journey in the Rockies. We drive through remote roads and hike to La Poudre Pass, where the river’s true origins begin.

Long-standing water-use agreements allocate more water than the river and its basin actually contain, forcing users to cut ...

The San Carlos Apache Tribe and environmental groups say exploratory drilling near the San Pedro could imperil protected ...

San Francisco Shakespeare Festival is bringing its Free Shakespeare in the Park to Redwood City. This summer SF Shakes is ...

Aviation experts told the National Safety Board that night vision goggles may have created viewing difficulties for the ...

SAN DIEGO (AP) — The United States and Mexico have signed an agreement outlining specific steps and a new timetable to clean up the longstanding problem of the Tijuana River pouring sewage ...