Earth Systems Science

Study Indicates Human-caused Dust Events are Linked to Fallow Farmland

June 2, 2025

The Central Valley is a major contributor to a growing dust problem, in large part because of agriculture, researchers say.

An average of more than 1 million acres of idled farmland a year is a significant contributor to a growing dust problem in California that has implications for millions of residents’ health and the state’s climate. A new study published in Nature Communications Earth and Environment...

Professor Berhe Nominated to Lead Federal Office of Science

President Joe Biden has nominated UC Merced Professor Asmeret Asefaw Berhe to be the new director of the Office of Science in the federal Department of Energy. In honor of Earth Day, the White...

GROW Grants Nurture Vital Projects During Pandemic

Two faculty members and three graduate students who are working on food systems, food security and food sustainability research have received small grants through the UC Global Food Initiative (GFI...

Celebrate Black History Month by learning about the good work being done on campus.

Eight Stories to Read for Black History Month

Black History Month may feel different this February, after a year of the coronavirus and historic protests for social justice. While coming together couldn’t be more important, under current...

Prestigious Biennial Grant Program Includes Funding for Ag-labor and Wildfire Research

Two new projects designed and led by UC Merced researchers will address challenges facing many Californians — wildfire recovery and agricultural labor — but will also have global reach...

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...