<p>This reprint covers the latest developments in the field of eco-polymeric materials and natural polymer processing and utilization highlighting cutting-edge research focusing on the processing of advanced polymers and their composites. It demonstrates that the field of eco-polymeric materials and natural polymers is still gaining increased attention. Innovative approaches as well as advanced applications of eco-polymeric materials and natural polymers in different fields such as energy environment biomedical biomaterial and engineering are reported in this reprint.</p>