With increasing concerns about public health and the environment, the International Ultraviolet Association (IUVA) 2017 Americas Conference drew a record number of attendees, representing 28 US states, the District of Columbia and 11 countries. The event focused on UV light as a proven, effective chemical-free disinfection process for water, air and surfaces, providing numerous sustainability benefits. Conference presentations focused on topics ranging from cutting-edge microbiological research to the latest in UV light sources, including UV LEDs, with attendees from academia, regulatory bodies, manufacturers and end-user organizations. Upcoming is the 2017 IUVA World Congress, taking place September 17-20 in Dubrovnik, Croatia.