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...

Berhe Honored with Prestigious AGU Medal and Fellowship

Soil biogeochemistry Professor Asmeret Asefaw Berhe has been recognized by the American Geophysical Union (AGU) as one of this year’s recipients of the Joanne Simpson Medal for Mid-...

New Project Focuses on Life in Soil in the Earth’s Critical Zone

Since 2007, UC Merced researchers have been extremely productive in the Southern Sierra Critical Zone Observatory (CZO), delving into investigations of hydrology, climate change, geology, biology and...

Professor Tracey Osborne Taking on Complex, Grand Challenges in Climate and Social Justice

The world is a complex place, and humanity faces major challenges. Climate change mitigation might be the most difficult, in large part because of the interdependency of living things and their...

Equipment in the Costa Rican rainforest measures the soil emissions.

Precipitation and Drainage Fuel Large CO2 ‘Burps’ from Rainforest Soils, Study Finds

It is said that rainforests are the Earth’s lungs, capturing carbon dioxide from the atmosphere, building it into lush vegetation and releasing oxygen and water back into the air. But every...

Professor Emily Moran, left, and graduate student Mengjun Shu examine seedlings in the research greenhouse.

Reforesting After Wildfires: Which Trees Are Most Likely to Thrive?

Wildfire seasons are intensifying because of climate change. That means reforestation efforts will increase, making it important for scientists and resource managers to understand how to make sure...

World’s Oldest Trees Shape the Diversity of Life in Their Soils, Study Shows

There’s a whole world of activity beneath your feet. Soil holds a large proportion of Earth's biodiversity, and is the place where organisms interact with each other and with plants,...

SNRI Sees a Leadership Transition

Change is everywhere at UC Merced this year, from hiring a new chancellor to the completion of a major campus expansion. The Sierra Nevada Research Institute (SNRI), an early hallmark of research...

Podcast Focuses on New Agriculture and California’s Future

On a hot June evening, UC Merced Professor Josh Viers joined farm advocate and small farmer Tom Willey on his front porch near Fresno to talk about California’s water, disadvantaged...

Professor and Falasco Chair Berhe Recognized as a Carnegie Corporation Distinguished Immigrant

Every Fourth of July, the Carnegie Corporation of New York honors the legacy of its founder Andrew Carnegie, by recognizing an extraordinary group of immigrants, who are now naturalized American...