Textbook in PDF format This book is a thorough guide that navigates the convergence of environmentally friendly techniques and cutting-edge nanotechnology. This book tackles the growing demand for eco-friendly techniques for nanomaterial production, as tailored by academics, scientists, and experts in materials science, nanotechnology, and green chemistry. The primary subjects discussed are novel green synthesis methods for generating biopolymeric nanomaterials, with a focus on minimizing environmental effects and resource depletion. The book investigates eco-friendly alternatives to traditional nanomaterial fabrication by leveraging biopolymers produced from renewable sources as major building blocks. Readers will learn about green chemical principles, green solvents, and energy-efficient processes, which will help them reduce their carbon footprint and waste output. The importance of these topics lies in the urgent need to shift toward environmentally conscious practices in nanotechnology, considering the escalating concerns over pollution and resource depletion associated with traditional methods. The overarching problem addressed is the environmental toll of conventional nanomaterial production. By presenting green chemistry methodologies, the book seeks to provide actionable solutions to reduce the ecological footprint of nanotechnology, ensuring the sustainable development of advanced materials. Through a holistic approach, it offers a roadmap for researchers and practitioners to adopt greener practices in the synthesis of biopolymeric nanomaterials, fostering a paradigm shift toward environmentally responsible nanotechnology. Green Synthesis of Biopolymeric Nanomaterials Classification and Synthesis of Nano-Biopolymers Methods for Biopolymer-Mediated Metal Nanoparticle Synthesis and Their Applications Biopolymer-Based Metal Nanoparticles: Synthesis and Applications Sustainable Nanomaterials Production Using Bio-based Polymers Fabrication of Metallic Biopolymer Nanocomposite System Core–Shell Biopolymer Nanoparticles Waste Derived Biopolymer Based Nanoparticle Application in Agriculture Multifunctional Biopolymeric Nanomaterials Biopolymer Based Nanomembranes Synthesis of Carbohydrate Polymeric Nanoparticles Classification and Green Synthesis of Nano-biopolymers Biopolymer Coated Magnetic Nanoparticles Microbial Biopolymer: Exploring the Role of Microbes in Polymer Production Agric-Waste as a Source of Innovative and Compostable Composite Biopolymers Nano and Microencapsulation of Biopolymers Biopolymers for the Preparation of Biodegradable Nanoparticles Large-Scale Production of Biopolymers and Biopolymeric Nanoparticles Synthesis of Chitosan Biopolymer Nanocomposites Applications of Nano-biopolymers in Medicine and Environmental