Will Sarni’s keynote provides a broad overview of the challenges and solutions for resilient water supply and wastewater management in cities. Sarni's keynote explores how water can shift from being perceived as a risk to an opportunity and how we can learn from past mistakes to engineer a sustainable future. He highlights how new technologies, such as Artificial Intelligence (AI) and the Internet of Things (IoT), will reshape the needs of urban utilities and infrastructure, influencing the way we plan cities in the future.