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California’s Water: Water for the Environment

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

River and wetland ecosystems in California—and the many birds, fish, and other species they support—are in serious decline. Major investments and novel approaches are needed to improve the health of our natural environment. This brief explains how water is used for environmental purposes and describes priority approaches that could improve its management.

blog post

Making End-of-Life Decisions on Aging Dams

By Lori Pottinger

Many of California’s large dams are outliving their functions and even becoming hazardous. We talked to Andrew Rypel of the UC Davis Center for Watershed Sciences about how to address this aging dam population.

Report

Storing Water for the Environment

By Sarah Null, Jeffrey Mount, Brian Gray, Kristen Dybala ...

Large reservoirs are essential for managing water in California’s highly variable climate—but over the years, the construction and operation of these reservoirs have had significant environmental costs. Our new research outlines how reservoir operations could be changed to improve the health of the state’s fragile freshwater ecosystems.

blog post

The Carmel River Gets a Boost

By Lori Pottinger, Matt Kondolf

An ambitious project to remove a large dam on a key Central Coast river will bring benefits to the environment and set a precedent for other dammed rivers in the state.

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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