Green Energy and Networking for Smart Cities examines the emerging field of green communications, networking, and the Internet of Things (IoT), offering a comprehensive overview of innovative technologies that promote sustainability in communication systems. It thoroughly explores sustainable urban development strategies, focusing on integrating green energy and networking technologies within the smart cities framework. The coverage includes energy-efficient signal transmission, smart grid technologies, the application of artificial intelligence in IoT, and LED-based lighting solutions, offering valuable insights into cutting-edge research and practical implementation approaches. The book takes a didactic approach, using diagrams, tables, and practical examples to make complex concepts accessible to a broad audience, including researchers, practitioners, and students interested in the intersection of technology and environmental conservation. It offers a holistic perspective on green technologies and their impact on communication networks and IoT systems, equipping readers with the knowledge and tools to address pressing environmental challenges while advancing technological innovation. Whether you're a researcher, policymaker, engineer, or technology enthusiast, this book provides valuable insights and actionable strategies for creating greener, more interconnected cities that can thrive in the face of climate change.