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Fact Sheet

The Sacramento–San Joaquin Delta

By Jeffrey Mount, Ellen Hanak, Greg Gartrell

The Sacramento–San Joaquin Delta is California’s largest estuary and a vital hub in the state’s water supply system. Three interlinked issues currently face the Delta: an increasingly unreliable water supply, a decline in ecosystem health, and a fragile system of levees. Learn more about this key watershed in our new fact sheet.

Policy Brief

Policy Brief: Tracking Where Water Goes in a Changing Sacramento–San Joaquin Delta

By Greg Gartrell, Jeffrey Mount, Ellen Hanak

The Sacramento–San Joaquin Delta supplies water to roughly 30 million Californians, over 6 million acres of farmland, and countless ecosystems. But the watershed’s climate is changing: recent decades have seen record warmth, higher evaporation, and declining snowpack. We track where the water is going—and how to adapt.

Policy Brief

Policy Brief: Drought and California’s Agriculture

By Alvar Escriva-Bou, Josué Medellín-Azuara, Ellen Hanak, John Abatzoglou

California’s agricultural sector is the nation’s largest: it generates more than $50 billion dollars in annual revenue and employs more than 420,000 people. The ongoing drought is taking a toll on agriculture, related sectors, and rural communities, but there are ways to increase resilience in a warming world.

Statewide Survey

PPIC Statewide Survey: Californians and Their Government

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

Californians say that COVID-19, homelessness, and jobs, the economy, and inflation are the top issues for the governor and legislature to work on this year.

Report

Groundwater and Urban Growth in the San Joaquin Valley

By Andrew Ayres, Ellen Hanak, Henry McCann, David Mitchell ...

As the San Joaquin Valley addresses groundwater overdraft under the Sustainable Groundwater Management Act (SGMA), its urban utilities face unique challenges. Learn how to ensure a smooth transition for the region’s residents.

Policy Brief

Policy Brief: Groundwater and Urban Growth in the San Joaquin Valley

By Andrew Ayres, Ellen Hanak, Henry McCann, David Mitchell ...

This policy brief distills the key takeaways from our report about the challenges urban utilities in the San Joaquin Valley will face as they address groundwater overdraft under the Sustainable Groundwater Management Act (SGMA). Learn how to ensure a smooth transition for the region’s residents.

Report

Improving California’s Water Market

By Andrew Ayres, Ellen Hanak, Brian Gray, Gokce Sencan ...

Water trading and banking will prove important tools to help California bring its groundwater basins into balance under the Sustainable Groundwater Management Act (SGMA). A broad range of policy changes could help improve and expand California’s water market while protecting communities from harm.

Policy Brief

Policy Brief: Improving California’s Water Market

By Andrew Ayres, Ellen Hanak, Brian Gray, Gokce Sencan ...

This policy brief distills key takeaways from our report on water trading and banking in California, and how they will help the state bring its groundwater basins into balance under the Sustainable Groundwater Management Act (SGMA). A broad range of policy changes could improve and expand California’s water market while protecting communities from harm.

Statewide Survey

PPIC Statewide Survey: Californians and Their Government

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

Key findings include: A majority of likely voters say they will vote no on removing Governor Newsom; about half do not favor any replacement candidate or won’t vote [for one]. Californians name COVID as the top issue facing the state. Six in ten favor requiring proof of vaccination to enter large outdoor gatherings or some indoor spaces. Californians are divided on whether the US will see good financial times ahead.

Fact Sheet

Groundwater Recharge in California

By Alvar Escriva-Bou, Gokce Sencan, Ellen Hanak

Groundwater recharge can replenish overdrafted basins, and help California adapt to greater climate extremes.

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