The conference was initially planned to be held in June 2020 and has been rescheduled to the 17-19 May 2021. Today, polymeric materials face a new challenge: reconciling the technological progress and well-being of people with the preservation of the planet, from a circular economy perspective. The purpose of the meeting is to bring together scientists from academia and industry to present leading-edge research on the advancements in polymer science and technology in all its main aspects, with a particular emphasis on those aiming to preserve and improve the health of the planet and of people, as per title.