Its defenders won a long fight over water with Los Angeles. Now, drought is raising new questions about its future.
As climate change sends bears searching for calories, new research suggests there's no substitute for seals.
Former Reclamation Commissioner Daniel Beard tells how defunct water policy, and the bureau itself, contribute to drought.
A mysterious algae known as “rock snot” is smothering wild rivers — and may hold clues to their future.
Blazes in California and Utah have officials on alert, but what they spell for the coming season is unclear.