Nature & Conservation

From California to the Congo Basin, we use everything from advanced genomics to ancient tree rings to study the world’s complex, beautiful and dynamic ecosystems and how to protect them.

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Join our team as Research assistant in plant-animal interaction for the Ebony Project

Are you a Cameroonian citizen and looking for a position in ecology and conservation? The Ebony Project is hiring a Research Assistant to support tropical forest restoration and community-based conservation in…

Black And Brown Modern We are Hiring Instagram Post -

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Featured in L.A. Times—Wilson Sherman, Ph.D. student, on how urban policies shape wildlife behavior in Los Angeles

Featured in this week’s Los Angeles Times Climate and Environment coverage, UCLA Ph.D. student Wilson Sherman shares insights on how inconsistent policies, surveillance infrastructure and fragmented governance affect where wildlife…

A mountain lion leaps across a grassy area in front of a police car in Brentwood, California, during a 2022 incident that led to an elementary school lockdown.

Announcements

The 2026 La Kretz Center Postdoctoral Fellowship

The UCLA La Kretz Center is excited to be accepting applications for the 2026 UCLA La Kretz Center Postdoctoral Fellowship! Applications will be accepted until September 15th, 2025.

UCLA La Kretz Center 2026 Postdoc Fellowship

Announcements

UCLA IoES Magazine Ranked #2 in California for Sustainability Coverage

UCLA’s Institute of the Environment and Sustainability (IoES) Magazine has been ranked #2 on Feedspot’s list of the Top 30 California Sustainability Blogs. The list recognizes the most influential platforms…


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Travis Longcore for California Builder & Engineer—Caltrans to Restore Habitat Connectivity Across One of the Busiest Freeways in the World

Travis Longcore, adjunct professor at UCLA Institute of the Environment and Sustainability, discussed light pollution mitigation at the Wallis Annenberg Wildlife Crossing for California Builder & Engineer, sharing how thoughtful…

Videos

Video: Expert insights on the causes, impacts and aftermath of the L.A. wildfires

UCLA Institute of the Environment and Sustainability and and UCLA’s Sustainable LA Grand Challenge recently hosted a virtual seminar addressing the historic wildfires that ravaged Los Angeles in January 2025.…

Travis Longcore for ABC7 News—Efforts to Save the Birds We are Losing

Bird populations across the United States are plummeting at an alarming rate, with three billion birds lost since 1970, according to UCLA Institute of the Environment and Sustainability professor Travis…

Publications



Rapid butterfly declines across the United States in the 21st century

C. B. Edwards, E. F. Zipkin, E. H. Henry, N. M. Haddad, M. L. Forister, K. J. Burls, S. P. Campbell, E. E. Crone, J. Diffendorfer, M. R. Douglas, R. G. Drum, C. E. Fallon, J. Glassberg, E. M. Grames, R. Hatfield, S. Hershcovich, S. Hoffman-Black, E. A. Larsen, W. Leuenberger, M. J. Linders, T. Longcore, D. A. Marschalek, J. Michielini, N. Neupane, L. Ries, A. M. Shapiro, A. B. Swengel, S. R. Swengel, D. J. Taron, B. Van Deynze, J. Wiedmann, W. E. Thogmartin, C. B. Schultz

Published Work 2025 | Science

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