This book presents cutting-edge research and applications in geospatial data acquisition, 3D GIS, digital twins, and remote sensing to address urban challenges like climate change, disaster risk, and energy efficiency. This book explores the transformative role of geospatial technologies in shaping sustainable, resilient cities. Featuring global case studies, it offers insights into integrating smart city solutions with environmental conservation. Designed for researchers, urban planners, policymakers, and professionals, this volume bridges theory and practice, providing frameworks and strategies for future-ready cities.