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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.

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Solar Development in the San Joaquin Valley

To balance the San Joaquin Valley’s groundwater basins, hundreds of thousands of acres of irrigated farmland may come out of production in the coming decades. Utility-scale solar development—already an attractive option for landowners—could help keep these lands economically productive, but it faces some obstacles. Can solar overcome these challenges and help support the region as a whole? Join us for an expert panel discussion.

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Water in 2021: Looking Back on a Year of Extremes

By Ellen Hanak

In California, 2021 was the year that climate change hit home. We look back at this year of extremes—and examine how our nonpartisan data and analysis informed conversations about how to address the tough water issues facing the state.

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New Opportunities for Trading Surface Water in the Sacramento Valley under SGMA

By Alex Ehrens, Joy Collins, Andrew Ayres

Successful groundwater stewardship under the Sustainable Groundwater Management Act (SGMA) demands good information—not only about groundwater conditions, but also about surface water availability. We produced a new dataset of how access to this vital resource varies across irrigated farmland in the Sacramento Valley and the Delta, so it’s now possible to assess surface water conditions across the entire Central Valley.

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Commentary: Water-use Challenges Affecting Farmers Means Reinventing the San Joaquin Valley

By Ellen Hanak, Caitlin Peterson

To ensure the San Joaquin Valley’s future, groundwater overpumping has to end—and some 500,000 acres of farmland will likely need to come out of intensively irrigated production. But unplanned, haphazard fallowing would harm the valley. In our Fresno Bee commentary, we share insights on how to protect the valley’s residents, agriculture, and environment, drawing on over seven years of research.

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