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Assistant Professor Julie Korak discusses how aging water infrastructure is contributing to repeated water system failures in small Colorado communities like Victor and Walsenburg. Korak says smaller municipalities often face greater challenges maintaining and upgrading decades-old water systems due to limited staff and resources.

Karl Linden was presented with the Â鶹Ãâ·Ñ°æÏÂÔØsystem’s highest faculty honor, Distinguished Professor, on Feb. 6. A pioneer in ultraviolet water treatment and a dedicated educator and mentor, he has advanced both water quality innovation and student success.

Professor Mark Hernandez is featured in a new Time article about the benefits of airing out your home during cold winter months. Common in Germany for perceived health benefits, the practice is becoming trendy in the United States.

Â鶹Ãâ·Ñ°æÏÂÔØBoulder professor Mark Hernandez and his team have discovered that UV light can disable common airborne allergens—like those from cats, dogs, and dust mites—within minutes by disrupting their proteins. The breakthrough, part of Hernandez’s broader work on indoor air quality and public health, could make it easier for people to improve the air in their homes, schools, and care facilities.

Professor Karl Linden received the American Water Works Association’s 2025 A.P. Black Research Award, which honors outstanding contributions to water science and supply. Linden was recognized for his pioneering work in developing and applying ultraviolet technologies to improve water and wastewater treatment.

Mark Hernandez is serving as a commissioner of the newly launched Global Commission on Healthy Indoor Air to elevate indoor air as a critical public health priority and drive coordinated global action and solutions.

Researchers in Professor Mark Hernandez's lab have discovered that a passive, generally safe ultraviolet light treatment can rapidly inactivate airborne allergens. They believe this approach could serve as an additional tool to help reduce allergens in homes, schools and other indoor environments.

Low water pressure during the LA fires raises water quality concerns, as it can allow contaminants to enter the drinking water supply and warrants careful analysis, says Professor Fernando Rosario-Ortiz.

Associate Professor Sherri Cook and Assistant Professor Cresten Mansfeldt have been honored by The American Academy of Environmental Engineers and Scientists through its 40 Under 40 Recognition Program.

Prometheus Materials, a zero-carbon building materials company spun out of the labs of Wil Srubar, Mija Hubler and Sherri Cook, along with partner groups will receive $10 million from the DOE to study the removal of carbon dioxide from cement.