This course provides a comprehensive overview of recycling methods, regulatory frameworks, and future trends in the circular economy. Through a series of expert-led lectures, participants will gain in-depth knowledge of polymer science and its applications in recycling. All experts are part of the PRIMUS project funded by the European Commission, aims to enhance the quality and safety of recycled plastics in Europe. Check the PRIMUS mission at the following link: https://www.youtube.com/watch?v=-ZHlALp1ywo This MOOC is ideal for professionals in the recycling industry, environmental scientists, and anyone interested in sustainable materials management and environmental conservation. Participants will leave with a robust understanding of the challenges and opportunities in recycling polymers, equipped with the knowledge to drive innovation and sustainability in their fields.