<p>A circular and environment-friendly economy could displace the linear economy as it is in use around the world. This would involve enlarged life cycles for products and an increase in the efficiency of electric and electronic devices. The generation of new materials will be essential as well as materials recycling or conversion after use. This book discusses new ways of production management recycling and conversion of new and regular materials.</p><p>Keywords: Microplastics Lignocellulose-Based Materials Food Packaging Biorefinery Solar Energy Reused Materials Recycling of Plastics Biopolymers Composites Polymeric Systems CO2 Capture Anticorrosive Polymeric Coatings Metallic Structures Scrap for New Steel Nanomaterials Waste from Electronic Components Future of Cars Raw Materials Biomaterials Bioeconomy Circular Bioeconomy Polymeric Electrolytes Fuel Cells.</p>