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California’s Stalled Population Growth

By Eric McGhee, Marisol Cuellar Mejia, Hans Johnson

Figures from the first half of 2020 show that California’s population growth continues to slow, driven in part by people moving to other states.

blog post

California’s Population Slowdown

By Eric McGhee, Hans Johnson

Population growth in California has slowed markedly since the early 2010s, and the state is now a net loser in overall migration for the first time since the Great Recession.

Report

What If California’s Drought Continues?

By Ellen Hanak, Jay Lund, Jeffrey Mount, Peter Moyle ...

California is in the fourth year of a severe, hot drought—the kind that is increasingly likely as the climate warms. Although no sector has been untouched, impacts so far have varied greatly, reflecting different levels of drought preparedness. Urban areas are in the best shape, thanks to sustained investments in diversified water portfolios and conservation. Farmers are more vulnerable, but they are also adapting. The greatest vulnerabilities are in some low-income rural communities where wells are running dry and in California’s wetlands, rivers, and forests, where the state’s iconic biodiversity is under extreme threat. Two to three more years of drought will increase challenges in all areas and require continued—and likely increasingly difficult—adaptations. Emergency programs will need to be significantly expanded to get drinking water to rural residents and to prevent major losses of waterbirds and extinctions of numerous native fish species, including most salmon runs. California also needs to start a longer-term effort to build drought resilience in the most vulnerable areas.

Report

The Central Valley at a Crossroads: Migration and Its Implications

By Joseph Hayes, Hans Johnson

Tremendous population growth, much of it fueled by domestic and international migration, has already begun to transform large parts of the Central Valley. Although this influx of migrants is posing new environmental, economic, social, and political challenges, little is known about it or its effects on the region. In The Central Valley at a Crossroads: Migration and Its Implications, Hans Johnson and Joseph Hayes find that the valley’s migration patterns are remarkably complex and vary over time, by subregion, and according to the type of migration. They also find that each subregion has pursued policy strategies to address its specific challenges. Finally, they predict that migration patterns will continue to alter the entire valley’s character and profile for the foreseeable future.

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