Earth Systems Science

UC Merced’s Berhe Joins Scientists in Warning of Global Land Mine Crisis

July 24, 2025

A sign posted on a tree in Eastern Europe warns of active land mines.

More than 100 million land mines remain buried around the world, posing a threat in approximately 70 countries and territories, and killing or injuring about 5,000 people, most of them civilians, every year. As the world’s geopolitical landscape shifts, nine scientists studying...

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...

Human Waste Treatment Helps Solve Climate-Change Puzzle, New Study Shows

About 4.5 billion people around the globe do not have access to adequate sanitation, and what they do have — typically pit latrines and lagoons — are responsible for widespread illnesses...

Researchers Look to Wetlands to Increase Delta Water Quality

UC Merced Professor Peggy O’Day hopes to improve water quality in the California Delta by studying local wetlands. O’Day is leading a new three-year study of Merced County wetlands...