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Delta Island Flooding (No Repairs)

This animation depicts how the Delta may change over time as a result of levee failures from earthquakes and floods. Islands that lie below sea level will flood after levee failures (becoming blue). If islands are not repaired after flooding, the entire area is likely to be flooded by 2055.

Statewide Survey

PPIC Statewide Survey: Californians and Their Government

By Mark Baldassare, Dean Bonner, Rachel Lawler, Deja Thomas

Californians name economic conditions, homelessness, and housing as the most important issues facing the state today. A majority of Californians favor changing state environmental regulations as a way to increase housing affordability.

Fact Sheet

California’s Water Grid

By Alvar Escriva-Bou, Ellen Hanak, Jeffrey Mount

The statewide network of storage and conveyance facilities provides multiple services, which are sometimes in conflict. Climate change brings new challenges.

blog post

Addressing Water Affordability in Urban California

By Caitrin Chappelle

In the midst of the pandemic and recession, the cost of delivering safe drinking water continues to rise across California. We talked to Robert Shaver of the California Urban Water Agencies about this issue.

blog post

The High Cost of Fixing Levees

By Jeffrey Mount

The state’s levees are in poor shape. Upgrading them to avoid damaging floods will be very costly and will involve difficult trade-offs.

blog post

Growing Damages from Wildfires Burn the Insurance Industry

By Lori Pottinger

Devastating fires in recent years have roiled the insurance industry. We talked to Rex Frazier of the Personal Insurance Federation of California about how the industry is addressing growing wildfire risk.

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