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Fact Sheet

Floods in California

By Jeffrey Mount, Gokce Sencan, Letitia Grenier

More than seven million Californians—one in five residents—live in areas at risk of flooding, and risks are growing. Improved land use planning, insurance, and innovative flood management can help.

Fact Sheet

Sea Level Rise in California

By Letitia Grenier, Gokce Sencan

Sea levels are rising, and Californians are already feeling the impact. Adaptation will require new forms of collaboration and coordination—as well as working with nature—to find solutions.

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Slowing Climate Change by Capturing Carbon

By Sarah Bardeen

Slashing greenhouse gas emissions is one of the 21st century’s most pressing tasks—and for difficult-to-cut emissions, direct air carbon capture could help. But what is this emerging technology, and how might it fit into California’s decarbonization strategy? We asked Roger Aines of Lawrence Livermore National Labs to tell us more.

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A Look Back at 2023’s Volatile Year in Water

By Letitia Grenier

Volatility was the name of the game in 2023, as drought-weary California suddenly found itself inundated by atmospheric rivers—and the changes kept coming. We look back on California’s weird (and sometimes wonderful) year in water.

Report

Priorities for California’s Water

By Jeffrey Mount, Letitia Grenier, Ellen Hanak, Caitlin Peterson ...

California has made great strides in preparing for a drier, hotter future, but it remains a challenge to harness the bounty of wet years while also reducing flood risk. How did California’s water sector manage the unusually wet 2023 water year—and what lessons can we glean for the future?

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Seasonal Weather Predictions Are Elusive in California

By Sarah Bardeen

California urgently needs to improve its precipitation forecasting: this could help the state better manage its water supply and prepare for disasters, among other things. But that’s not as easy as it sounds, says Dr. Xianan Jiang, a UCLA researcher. We asked him to tell us more.

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The Weird Weather of 2023: Better Get Used to It

By Jeffrey Mount, Gokce Sencan, Michael Dettinger

Water Year 2023 comes to an end on September 30. For most weather-watchers, this was an unusual year, with very wet conditions following several very dry years—but are the frequency and intensity of these variations increasing as the planet’s temperature rises? And if so, what might be the implications for water management? We take a look.

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Managing Water and Farmland Transitions in the San Joaquin Valley

Achieving groundwater sustainability is vital to the health of the San Joaquin Valley’s communities, agriculture, environment, and economy—but the transition will be challenging. How can the region ensure the best outcomes? Authors of a new PPIC study and a diverse group of local and state experts will discuss key issues and solutions to some of the valley’s looming challenges.

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Educating the Judiciary on Water and Climate Change

By Sarah Bardeen

Justices Ron Robie and Stacy Boulware Eurie are spearheading an effort to educate California’s judiciary about climate change and water issues. We asked them why they’ve taken on this task—and what they hope to accomplish.

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