<p>This reprint&nbsp;explores the intersection of technology and sustainability in urban spaces. It compiles pioneering research that addresses the United Nations' Sustainable Development Goals through the lens of smart technology. Covering topics from AI and big data to participatory governance and green AI this collection aims to inspire actionable insights for urban planners policymakers and community leaders. It serves as a comprehensive guide for creating resilient equitable and sustainable urban environments highlighting the collaborative efforts of scholars and the importance of innovation in driving sustainable urban futures.</p>