Three food safety experts from the College of Agriculture, Life and Environmental Sciences take us through the strictly structured, scientifically robust and largely invisible defensive shield that protects our food long before we buy it.

CALES' Sharon Megdal spoke with Lo Que Pasa to provide insight and water-saving tips in the wake of the recently approved 10-year Decision Framework for water allocations from the Colorado River, which provides water to the seven basin states. More than 40 million people rely on the river for drinking water, agricultural irrigation, power generation, wildlife habitat and more.

CALES researchers are working in partnership with public and private organizations like the Altar Valley Conservation Alliance to transplant young saguaros as one of several mutually supporting strategies to restore degraded dryland ecosystems.

Five University of Arizona projects will address pest management, soil health, water movement and salinity in desert crop production.

Dean George W. Smith welcomes new CALES students, parents and supporters to the 2026/2027 school year.

A new analysis from University of Arizona Extension economists is the latest in a string of reports resulting from a longstanding relationship between U of A and Arizona State Parks and Trails.

Feeding thousands of students every day is no small task. We asked an associate professor of practice in the School of Nutritional Sciences and Wellness (SNSW) and an SNSW alum who directs the TUSD Food Services Department how school meal programs balance picky eaters, tight budgets, and nutrition regulations like the new Arizona Healthy Schools Act.

University of Arizona entomologist Lucy Li, who coordinates the university's Public Health Integrated Pest Management program, highlights a few of the usual suspects.

The effort will map areas where New World screwworm could emerge and help researchers understand how the fly could affect wildlife as well as livestock.

For CALES Dean George W. Smith, the land-grant mission is personal. He reflects on the experiences that shaped his career and his vision for serving Arizona and beyond.