The reference text focuses on the principles of designing sustainable electronics, including considerations for reducing the environmental impact of electronics during the design phase. It covers topics such as product life cycle assessment, eco-design, and green materials selection. The book discusses the development and use of sustainable materials in electronics, such as biodegradable and renewable materials. This book: Discusses the importance and adoption of sustainable designs in electronic applications. Covers the application areas ranging from devices to circuits, computer-based applications, deep learning, and brain interfacing within the framework of sustainability. Explains materials such as edible dielectrics, organic semiconductors, and perovskites in a comprehensive manner. Illustrates electromechanical stability, electrochemical stability, and environmental stability. Highlights the importance of recycling and reusing materials in electronics and the role of circular economy in sustainable electronics. It is primarily written for senior undergraduates, graduate students, and academic researchers in the fields of electrical engineering, electronics and communications engineering, energy, environmental engineering, and electronic materials and devices.