CiELO will last 36 months, will involve about 160 students and their teachers, coming from 4 schools located in 3 European countries: Italy, Croatia and Lithuania; 2 scientific partners, specialized in issues related to the circular economy and 1 technical partner specialized in the development of innovative digital teaching materials. To achieve its goals, the project will support students, guided by properly trained teachers and tutors and through the use of this platform, in the development of activities based on innovative digital technologies, designed to stimulate the inclusion of participants. The teaching approach of the project will therefore be based on ICT and digital technologies, and on multimedia tools that guarantee a high level of involvement for the students and their teachers alike. The project CiELO will produce several intellectual outputs, that will be available for the European teaching community, once the 3 years experience of the Erasmus+ will be over: first this web platform, that will represent a virtual learning environment, structured in different levels and which will act as a means of communication and as a dissemination channel, but will also be a shared archive and an interactive training tool.