Cities concentrate sustainability challenges and opportunities, accounting for 80%+ of CO₂ emissions and hosting over half the population, while powering growth and climate innovation. Co-convened by ICSI and the Sustainable Business COP, his session examines scalable, high-integrity pathways for resilient, inclusive, nature- and people-positive urban infrastructure, linking engineering, finance, and policy via concrete cases (e.g., port climate-risk) to enable replicable near-term delivery.