On May 28-30, 2025, Ziyu Wang attended the Canadian Society for Civil Engineering (CSCE)’s annual conference in Winnipeg, Canada. Ziyu made the presentations entitled “A Stochastic Inexact Mixed-integer Fractional Model for Optimizing Solid Waste Management in Island Communities” and “Life Cycle Assessment of Waste Printed Circuit Board Management in Cold Region Island Communities”. He also discussed the research and collaboration with other conference participants.