This session brings together local and international partners to share insights from the Wellcome Trust-funded project, Leveraging Co-Benefits for Healthy Net-Zero Transitions in Japanese and Other G7 Cities. As cities around the world work to meet climate targets, integrating health and related co-benefits—such as improved air quality, reduced disease burden and enhanced well-being—can make climate policies more effective and efficient. Drawing on early experiences from Kawasaki, Niigata and Hachinohe, this session will explore how local governments can use evidence-based tools and approaches to align health and climate goals. It will also highlight opportunities for collaboration and capacity building to support healthy, net-zero urban futures.