This book highlights the critical role of green materials in sustainable, active food packaging. Beginning with an introductory chapter outlining the importance of green materials and sustainability in food packaging, the book progresses through various topics, including the properties and applications of biopolymers, the potential of biodegradable materials, and antimicrobial agents to enhance food safety. Innovations like edible packaging, polymer nanocomposites, and smart sensors for monitoring quality are thoroughly examined, showcasing their roles in improving food preservation and safety. Additionally, the book evaluates the environmental benefits of natural, bio-based materials and their effectiveness in active packaging applications. Each chapter critically discusses the challenges, advancements, and regulatory considerations in adopting these innovative solutions. By providing a detailed analysis of the potential and challenges associated with green materials, this volume is a comprehensive guide for researchers, practitioners, and policymakers alike. It encourages continued research and development in sustainable food packaging, fostering a deeper understanding of how these materials can enhance environmental and food safety outcomes. It is a crucial addition to the literature on sustainable practices in the food industry.