This book delivers cutting-edge insights into how emerging digital technologies are driving real-world sustainable development. Bringing together global experts, it bridges computer science innovations AI, IoT, big data, cloud computing, green computing with practical applications in energy, healthcare, agriculture, infrastructure, and policy. Its holistic, cross-disciplinary approach combines technological advances with measurable environmental and societal benefits, grounded in case studies and scalable models. Readers gain strategies to align digital transformation with the UN Sustainable Development Goals, supported by evidence-based research and forward-thinking solutions. Designed for researchers, industry professionals, policymakers, and educators, it serves as a reference, practical guide, and strategic roadmap for leveraging technology responsibly toward a sustainable, inclusive future.