Almost everywhere in California, salmon are on the decline. But in Putah Creek — a restored stream running through the University of California, Davis, campus — wild salmon are not only increasing, they also are completing their life cycle.

The plants in our backyards do more than add beauty – they support local insects and thrive, or struggle, depending on the climate. As temperatures shift and rainfall patterns become less predictable, the timing of when plants bloom and insects emerge is changing.

In communities across California, residents are grappling with poor air quality, often without a clear understanding of the pollutants in their environment. In Vallejo, a neighborhood near a cement mixing plant struggles with constant dust on the inside of homes, including kitchen cabinets, counters and tables. Other communities contend with traffic and aircraft emissions, industrial pollution and seasonal wildfire smoke.

On the shores of Lake Tahoe at Emerald Bay State Park grows what some consider to be the most iconic old-growth forest in the Lake Tahoe Basin. Giant ponderosa pines — some of the last remaining in the area — share space with at least 13 other tree species.

From ducks and cranes to giant garter snakes and salmon, flooded rice fields in California’s Central Valley offer important — often vital — habitat to many wildlife species. Yet uncertainties around crop markets, water and climate can prompt some growers to fallow rice fields or change their management practices.

Will today’s rice acreage under current practices be enough to meet key species’ needs? If not, how much rice is needed? Where should it be planted? And what management practices offer the greatest benefit for species of concern? 

During Bilegt Baatar’s time in the Environmental Policy and Management (EPM) graduate program at UC Davis, he worked on a project that explored meaningful solutions for rural communities. He was part of a student team that analyzed gaps in electric vehicle infrastructure in non-urban areas and developed policy recommendations to address these challenges. Years later, Baatar was excited when a regulatory department cited his team’s work.

At the historic gambling hall named Dai Loy – which translates to "big welcome" – UC Davis landscape architecture students received just that, as they explored the rich history of Locke, a quaint town in the Delta. The landmark was one of the stops on a field trip that immersed students in the community's past, inspiring ideas for future improvements in the region that could benefit the town.

As their traditional dining options dwindle and natural areas give way to restaurants, homes and sidewalks, the coyotes of San Francisco are shifting what they eat.

Scientists from the University of California, Davis, wanted to understand what San Francisco’s coyotes are eating, and how their diet is changed and shaped by the city’s landscape, which can vary from block to block.

It doesn’t require a degree in ornithology, a lab test or even an app for most growers to determine whether bird poop near their crops presents a food safety risk. They just need to ask themselves a simple question: How big is it?

The United States generates more food waste than all but two countries. To address this, the federal government set a goal to cut food waste in half by 2030 compared to 2016 levels, to about 164 pounds per person annually. But a new study published in Nature Food and led by University of California, Davis, reveals that current state policies are falling short. Since 2016, per capita food waste has increased instead of decreasing.