<< Objectives >>To answer young people’s need for an effective sustainable education, GREENTRACE aims at filling the gaps of competence that youth workers, sport leaders and educators encounter in their field of belonging, by creating an innovative method of sustainable learning through sport, youth participation and exploration. The approach will be created through a multidisciplinary cooperation, applicable in different territorial and learning contexts and supported by an assessment tool.<< Implementation >>A study on sustainability will precede the methodology definition. Minimum 20 youth workers, sport leaders and educators will then attend thematic workshops (sustainability, new learning methods, assessment) to co-create the learning approaches that will be tested on groups of young people (firstly on the groups they work with, secondly on peers involved by the first groups). Minimum 40 young participants will create their sustainable plans and participate in the creation of a digital platform.<< Results >>A report will expound the analysis and the methodology, with a practical annex for youth workers. Youthpass portfolios will attest the new competences acquired by the participants. For young people it will have two levels, the first issued for the presentation of a sustainable programme, the second for having taken action and involved the peers. The digital platform will create a network of professionals and young people, to embed sustainability among youth and foster further innovation.