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What’s Worse Than a Flood? A Debris Flow

By Sarah Bardeen

Move over, floods—there’s a new natural disaster in town: debris flows. We know that debris flows can be even more destructive than floods, but what are they and why do they happen? We speak with expert Jimmy Guilinger to learn more.

blog post

The Colorado River’s Hydrology is Changing. Can We Adapt?

By Letitia Grenier, Sarah Bardeen

The Colorado River’s hydrology is changing—and the dwindling water supplies are hitting Southern California hard. We sat down with Colorado River Board of California’s chairman JB Hamby and Metropolitan Water District’s Bill Hasencamp to find out what’s next for the river.

Fact Sheet

Floods in California

By Jeffrey Mount, Gokce Sencan, Letitia Grenier

More than seven million Californians—one in five residents—live in areas at risk of flooding, and risks are growing. Improved land use planning, insurance, and innovative flood management can help.

blog post

Where Are Californians Going When They Leave the Golden State?

By Eric McGhee, Hans Johnson

California continues to lose residents to other parts of the US, with the main beneficiaries being neighboring states. However, with the pandemic receding and more workers returning to the office, outmigration patterns have started to slow or even reverse.

blog post

Video: Eel River—Reconnecting Salmon and People

By Sarah Bardeen, Cameron Nielsen

The Eel River once hosted one of California’s great salmon runs, but a combination of factors decimated those populations. Now, planned dam removals might help restore salmon—but how will these changes affect river communities? Filmmaker Cameron Nielsen spoke to people on all sides of the issue in this visually arresting short documentary

blog post

Who’s Leaving California—and Who’s Moving In?

By Hans Johnson, Eric McGhee

The primary driver of California's population loss over the past few years has been residents moving to other states. We examine the latest demographic data for those moving out of and into our state and discuss factors that underlie these decisions.

blog post

Making Sense of the Floods in San Diego

By Sarah Bardeen

The sudden deluge in San Diego last week has left some of that city’s communities reeling. But what actually caused the epic flooding—and could it have been avoided? We ask the experts.

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