"A California tribe has signed agreements with state and federal agencies to work together on efforts to return endangered Chinook salmon to their traditional spawning areas upstream of Shasta Dam, a deal that could advance the long-standing goal of tribal leaders to reintroduce fish that were transplanted from California to New Zealand more than a century ago and still thrive there."

"California's record-setting winter is providing a much-needed boost for wildlife, including blooming wildflowers and the fish and ducks that depend on thriving rivers and streams. Still, for other animals, the rising waters are perilous. Just ask the bunnies."

"Wildfires regularly sweep through California, destroying forests and threatening homes. But a recent study shows an unexpected danger of the fires: They can shut down, or prevent access to, hospitals and other inpatient facilities."

"Barely five weeks after the last bout of heavy rain and snow in California's historically wet winter, firefighters on Friday battled the state's first large wildfire of the year in rugged foothills east of Los Angeles."

"In a move that will transform California’s economy and end diesel’s decades-long dominance in goods movement, the Air Resources Board today unanimously approved an ambitious, contentious mandate to shift big rigs and other trucks to zero-emissions."

"More than a month after heavy storms eroded a section of the Los Angeles Aqueduct, work crews are still scrambling to complete repairs and shore up flood defenses in the face of a weeklong heat wave that threatens to trigger widespread snowmelt in the Sierra Nevada."

"Good news: California has a near-record snowpack in the Sierra, which could ease the impact of our deep drought. Bad news: There’s a heat wave coming this week. Really bad news: If the snow melts too fast, it could help cause devastating floods in the Central Valley."

"When wildfires spread through parts of Northern California wine country in 2017, they melted electronics, combusted cars and exploded propane tanks. The fires sent acrid smoke billowing into the sky, its footprint wafting over the state and extending for 500 miles into the Pacific Ocean."

"Removing two aging Eel River dams known as the Potter Valley Project would benefit salmon, lamprey and people, but what happens next remains unclear."