Karl G. Linden, Ph.D., is the Helen and Huber Croft Professor of Environmental Engineering at The University of Colorado Boulder. He has a BS from Cornell University and an MS and PhD from University of California at Davis. He teaches classes on UV Processes in Environmental Systems, Sustainable Water Reuse, Water Sanitation and Hygiene, and Fundamentals of Environmental Engineering. Dr. Linden’s research investigates novel water and wastewater treatment systems, including innovative UV systems for disinfection of pathogens; and advanced oxidation processes for the degradation of organic and other emerging contaminants in water and wastewater. He has authored over 100 peer-reviewed publications, given over 100 invited lectures worldwide.