The book reports progress on the development of new biodegradable polymers, composites and nanocomposites for use in such areas as drug delivery, packaging, food and agricultural technology. Keywords: Biopolymers, Biodegradable Polymers, Biodegradable Composites, Biodegradable Nanocomposites, Green Composites, Biodegradable Packaging, Bioplastics, Biodegradation Test Methods, Polyhydroxybutyrate, Lipids, Liposomes, Lipid Composites, Natural Fiber, Drug Delivery, Dunnage, Electronics Packaging, Horticulture, Plantable Pots.