Donate
PPIC Logo Independent, objective, nonpartisan research

Search Results

Filters Sort by:
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.

Fact Sheet

Sea Level Rise in California

By Letitia Grenier, Gokce Sencan

Sea levels are rising, and Californians are already feeling the impact. Adaptation will require new forms of collaboration and coordination—as well as working with nature—to find solutions.

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.

blog post

Commentary: Californians Need to Do More to Prepare for Wet Years

By Letitia Grenier, Ellen Hanak

Climate change is supercharging the extremes of drought and flood in California. But our infrastructure and institutions remain woefully underprepared for rising flood risk and increasingly erratic rainfall. It’s time to take this threat—and this opportunity—seriously and accelerate preparations.

blog post

A Look Back at 2023’s Volatile Year in Water

By Letitia Grenier

Volatility was the name of the game in 2023, as drought-weary California suddenly found itself inundated by atmospheric rivers—and the changes kept coming. We look back on California’s weird (and sometimes wonderful) year in water.

blog post

Addressing Groundwater Overdraft in the Sacramento Valley

By Spencer Cole, Kyle Greenspan, Andrew Ayres

As the Sacramento Valley seeks to bring its groundwater basins into balance under SGMA, the valley’s groundwater sustainability agencies recently submitted plans to manage overdraft. Do the numbers add up? Our researchers take a look.

blog post

New Progress in California Water Rights Reform

By Sarah Bardeen

Many have argued that California’s water rights laws are sorely in need of modernization. Is recent legislation taking a step in that direction? We spoke with two legal experts to find out.

Search results are limited to 100 items. Please use the Refine Results tool if you are not finding what you are looking for.