Environmental Research

UC Merced Climate Experts Explain Why March Heat Wave is Dangerous

March 17, 2026

Depicted is the sun in an orange sky framed by palm leaves.

Temperatures in the 90s are nothing new to the northern San Joaquin Valley. But having them in March, as expected this week, is unusual and potentially dangerous. An exceptionally strong ridge of high pressure will bring record-breaking heat to the entire region, the National Weather Service...

A sign on a southern California beach indicates it is unsafe to swim because of human-caused contamination.

Ocean Chemistry Now Substantially Shaped by Humans

Although the oceans are the least explored places on the planet, even their depths are not untouched by humans. Drawing on more than 2,300 seawater samples collected across the Pacific, Atlantic...

Depicted is a scene of burned-out trees and ash in the wake of the Caldor Fire.

Rising Simultaneous Fire Weather Threatens International Firefighting Efforts

High-risk conditions for fires are increasingly happening across countries at the same time, making wildfires even more challenging to tackle, new research reveals. Scientists from UC Merced and...

UC Merced Scientists Among Global Elite Shaping AI, Climate and Health

UC Merced continues to demonstrate its growing influence on the global stage. Several faculty members landed on Clarivate’s 2025 list of the world’s most‑cited researchers. The honor...

graphic with five individuals higlighted; three females and two males with UC Merced and ARCS logos on blue background

Innovative Research Secures Coveted Fellowships for Ph.D. Students

The ARCS Foundation Northern California awarded five UC Merced graduate students with 2025-26 fellowships. ARCS advances science and technology in the United States by providing financial awards to...

Photo depicts climate scientist Michael Mann speaking at a podium at UC Merced.

Climate Speaker Series at UC Merced Kicks Off with Warnings … and Hope

The global climate crisis was entirely predictable and impacts nearly every facet of life. But we still can slow its progress and mitigate the effects we already see. That was the message...

Photo depicts a vendor demonstrating a drone on the UC Merced campus.

Challenges, Opportunities Presented at Small Farm Tech Expo

The Small Farm Tech Expo brought researchers, farmers, university students and even a group from a Modesto elementary school to UC Merced to talk about agriculture technology and how it can best help...

Photo is a mugshot of Professor Josué Medellín-Azuara depicted on a blue and gold background.

Report Reviews How California's Water Projects Balance Needs of People and Endangered Species

A National Academies committee that includes a UC Merced researcher recently released its findings from a review of the science behind the operations of two massive California water projects....

Depicted is a sign reading "UC Merced Experimental Smart Farm" with the university campus in the background.

Ag Tech For Small Farms Highlighted at UC Merced Expo

An expo at UC Merced next week will bring together farmers, ranchers, researchers and community organizers to highlight what's possible when agriculture technology is designed for small farms...

three stages of cotton textile composting

Postdoc Leads Study to Turn Cotton Waste into Climate-Smart Compost

UC Merced researchers are collaborating on a two-year research project to develop effective composting methods for cotton textiles. The project explores manufacturing cotton waste scraps from...