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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.

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California’s Housing Divide

By Marisol Cuellar Mejia, Hans Johnson, Julien Lafortune

African Americans and Latinos have been especially affected by the state’s housing affordability crisis, and the pandemic’s disproportionate impact on households of color threatens to widen disparities in homeownership.

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Maximizing Benefits of Solar Development in the San Joaquin Valley

By Annabelle Rosser, Mitchelle De Leon

Solar development offers one promising way to soften the economic blow as more irrigated farmland comes out of production in the San Joaquin Valley. We met with a diverse range of stakeholders to discuss how to maximize benefits—and mitigate potential harm.

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California K–12 Enrollment Declines Continue to Exceed Expectations

By Julien Lafortune, Emmanuel Prunty

K–12 public school enrollment statewide has fallen for five straight years, with a decrease of more than 270,000 students over the past two years alone. Examining the variation across regions provides insights into this enrollment decline.

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.

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Gas Prices Stretch Family Budgets

By Sarah Bohn, Daniel Payares-Montoya

California has recently seen its highest average gas price on record. Combined with higher prices in other key budget areas, rising gas prices pose a challenge for households around the state, especially those with lower incomes.

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Ukrainian Immigrants in California

By Hans Johnson

The Russian invasion of Ukraine has special relevance for California’s Ukrainian community, one of the largest in the country. About one in six Ukrainian immigrants in the US lives in California.

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SGMA Could Bolster Habitat Restoration in the San Joaquin Valley

By Ellen Hanak, Caitlin Peterson, Abigail Hart

As growers prepare to bring land out of production in the San Joaquin Valley, we’re exploring a variety of ways to manage that newly-fallowed farmland. This week, we look at a promising potential use: transforming formerly irrigated land into habitat.

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