The Marin Municipal Water District has approved spending up to $1.25 million for environmental review of a proposed pipeline that would boost the county's supply. The district board voted unanimously ...

One new legal filing and a raft of letters have been sent to the California Supreme Court alternately praising and decrying ...

In a state famous for its redwoods, beaches, and vineyards, Lake Shasta Caverns offers a glimpse into California’s hidden ...

Antarctica could see a doubling of extreme weather events—such as atmospheric rivers—by 2100, with implications for future ...

Becky Mitchell, Colorado’s lead Colorado River negotiator, delivered a peek into the dispute among states at a forum in ...

This story appears in the spring 2025 issue of UC San Diego Magazine as “Taking Flight.” ...

The 120-mile Tijuana River flows from Baja California into the United States and discharges millions of gallons of wastewater ...

The 120-mile Tijuana River flows from Baja California into the United States and discharges millions of gallons of wastewater ...

A study by UC San Diego researchers reveals that pollutants found in the sewage-laden Tijuana River are ending up in the air ...

The storm that struck Western Maryland was fed by an atmospheric river moving across the Southeast, which experts describe as a conveyor belt of concentrated moisture that dumped more than six ...

This atmospheric river of moisture is not a new phenomenon, but its name is, having been adopted into the meteorology canon after being first proposed in 1994. Similar to rivers running along the ...