Civil and Environmental Engineering

UC Merced Scientists Use Sewage to Track Nicotine Use in Central Valley

June 24, 2026

UC Merced researchers extract sewage samples from university system

Key points: Researchers successfully tested a technique that uses human sewage to measure the use of nicotine products such as cigarettes and vaping pens in a selected community. The project, led by scientists at UC Merced, can strengthen public health efforts by supplementing...

Gov. Gavin Newsom discusses upcoming federal and state solar projects with other officials.

New Canal Project Expands on UC Merced Solar Research

Federal and state government officials journeyed to the western corner of Merced County on Thursday to announce a new project to place solar panels on the water in the Delta-Mendota Canal. The...

An almond orchard with irrigation lines is pictured.

Water Risks to Agriculture: Too Little and Too Much

Water is among the most precious resources on the planet. Some areas don't get enough; some get too much. And climate change is driving both of those circumstances to ever-growing extremes....

As climate warms, the snowline, or rain/snow transition elevation, moves to higher elevations, placing some historically snow-dominated sites in the rain zone. Photo by Roger Bales at Crane Flat in Yosemite National Park

Warming Climate Pushes Rain to Higher Elevations, Raising Flooding Risks

A new study co-authored by UC Merced researchers assesses the effect of a warming climate in pushing the elevation of snow to rain higher during a storm, increasing runoff and the risk of flooding...

Photo shows tree mortality in Sierra National forest, taken by Margot Wholey, December 2015.

Having a Mix of Tree Heights Enhances Drought Resilience in Sierra Nevada Forests

In a paper published in Nature Communications, UC Merced Professor Roger Bales, collaborating with an international team, found that the height of neighboring trees strongly influenced whether...

Buhl Named to ASCE Committee

Environmental Systems Ph.D. candidate Marie Buhl has been invited to join the American Society of Civil Engineers (ASCE) Committee on Adaptation to a Changing Climate (CACC). Buhl, who is from...

Researcher Among the World's Most Highly Cited for the Fourth Straight Year

Distinguished Professor Martin Hagger from the Department of Psychological Sciences has been awarded one of this year’s Clarivate Highly Cited Researcher awards. He is one of four...

Professor Colleen Naughton is pictured with students in the Summer Bridge program.

Naughton Honored as One of '40 Under 40' by Engineering Organization

UC Merced civil and environmental engineering Professor Colleen Naughton has been included in the American Academy of Environmental Engineers and Scientists' (AAEES) 40 Under 40 Program....

Climate Change to Drive Surge in Insects that Attack Almonds, Peaches, Walnuts

As a result of climate change, the Golden State's farms are expected to face a surge in agricultural pests, which poses a threat to California's specialty crops industry. Populations of...

Scientists collect vegetation data from the Cape Of Good Hope, Western Cape, South Africa. Photo by Adam M. Wilson

NASA-funded Biodiversity Research Project Launches in South Africa

Understanding and conserving biodiversity, or the variety of life in ecosystems, is key to sustaining life on Earth. A research project funded by NASA that is launching this week in South Africa,...