Earth Systems Science

From Soil to Climate Solutions: Berhe Leads Sierra Nevada Research Institute into its Next Chapter

September 11, 2025

When Professor Asmeret Asefaw Berhe arrived at UC Merced in 2009, she and her husband, Professor Teamrat Ghezzehei, were leaving major research institutions to join a brand-new campus in California’s Central Valley. It was a leap of faith — one made easier by the Sierra Nevada Research...

Vicky Espinoza presents her story at a recent symposium.

Grad Student Represents Valley at Global Food Security Symposium

Graduate student Vicky Espinoza shared the plight of some San Joaquin Valley families with a wide audience this spring in her role as a Next Generation delegate to this year’s Chicago Council...

A picture of a soil chronosequence in Hawaii shows yellow sulfur-rich soil that has built up over millions of years.

UC Merced Researchers Help Uncover Soil Biodiversity

A rigorous, first-of-its-kind global study provides new insights into the natural history of soil biodiversity and shows that changes in soil pH during soil development is a major driver of most of...

New Project to Build Climate Resilience through Improved Land Management

A $4.6 million grant to UCs Merced and Irvine will help researchers develop new tools and methods for better managing the state’s forests, shrub lands and grasslands. The Innovation Center...

Researchers Assess Western Forests’ Ability to Survive Next Drought

UC Merced researchers have evidence that California’s forests are especially vulnerable to multi-year droughts because their health depends on water stored several feet below ground. “...

Innovative Partnership Aims to Restore Sierra Nevada Forest Health

The French Meadows Forest Restoration Project, an innovative collaboration approved this week, aligns the expertise of the Sierra Nevada Research Institute at UC Merced, the U.S. Forest Service, the...

Emergence, Extinction of Massive Ancient Shark to be Explored with NSF Grant

Forty million years after dinosaurs went extinct, one of the largest predators that ever prowled Earth’s oceans emerged, feeding the imaginations of modern scientists and the nightmares of...

Professor’s Novel Mercury-Mapping Project Wins State Grant

Civil and environmental engineering Professor Erin Hestir’s proposal for a unique system of mapping mercury in the waters of the San Francisco Delta has won her and her team of collaborators...

UC Climate-Change Research is One Focus of Global Summit, New Reports

California aims to lead the nation — and the globe — in climate change research, policy and action — in large part through climate-focused research conducted at University of...

Merced River Helps Explain How Soils Capture and Store Planet-Warming Carbon

Soils are carbon sinks, storing more planet-warming carbon than the atmosphere and all animal and plant life combined. But they can also release massive amounts of stored carbon into the...