CCOUC members, Dr. Holly Lam and Mr. Sida Liu, participated in the 29th Annual Scientific Conference of the International Society of Environmental Epidemiology in Sydney, Australia during 24-28 September 2017. Two conference papers were presented at the conference by CCOUC: “Short-Term Association Between Ambient Temperature and Asthma Hospitalization in Children: First Admissions vs. Repeated Admissions” delivered by Dr. Lam and “Cold Weather and Health: A Case Study of Healthcare Seeking Behaviours in Hong Kong” delivered by Mr. Liu.