This book brings together recent research and innovative ideas that integrate computing, intelligent communication, and energy-efficient electronic technologies to support sustainable development. The volume highlights advancements in sustainable electronic design, renewable energy integration, smart computing approaches, and intelligent communication frameworks. Emphasis is placed on low-power electronics, energy harvesting, IoT-based energy solutions, smart grids, and AI-driven energy management systems that enable environmentally responsible technologies. Key features of this book include: An overview of current research trends in sustainable electronics, emerging energy technologies, and intelligent computing and communication systems. Practical models, designs, and architectures showcasing real-world applications of energy-efficient and smart electronic systems. Discussions on applications in renewable energy systems, smart grids, IoT, electric vehicles, and power-aware intelligent devices. Insights into challenges, opportunities, and future research directions in sustainable and energy-aware technologies. This book is intended for research scholars, academicians, undergraduate and postgraduate students, Ph.D. candidates, industry professionals, engineers, technologists, and researchers who seek to advance their knowledge of sustainable electronics, emerging energy technologies, and intelligent systems for a greener and more energy-efficient future.