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A Path Forward for California’s Freshwater Ecosystems

By Jeffrey Mount, Brian Gray, Karrigan Bork, James Cloern ...

California’s freshwater ecosystems are under pressure and its aquatic biodiversity is in decline. The state needs a new approach to protect the many beneficial uses these ecosystems provide. This report describes a way to manage the state’s freshwater ecosystems—called “ecosystem-based management”—that can improve conditions for native biodiversity and human uses, and increase resilience to climate change.

blog post

Water Policy Priorities for a Changing California

By Ellen Hanak

How can the state prepare its water systems for climate change? The Newsom administration asked the PPIC Water Policy Center to submit formal comments to inform a water resilience portfolio.

blog post

Managing a Non-Native Delta Ecosystem

By Lori Pottinger

The Sacramento–San Joaquin Delta has more non-native species than native ones, and its estuary is the most invaded in the world. We talked to scientist Jim Cloern about this challenge.

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