Sincerely Youth is a project on local and socio-cultural development, which will stimulate organizations’ dynamism in the field of youth and environment, and will develop the European perspective on the region PACA territory. We wish to promote youth people’s involvement in favor of an active citizenship, a sustainable and European citizenship. The 4 European volunteers who will participate in this project have already been selected thanks to an effort of communication and applications’ selection carried out beforehand with our network of close partners. They will be hosted on the following activities: Silvia a volunteer from the sending organization PECO (Italy) will be hosted in Pistes Solidaires Méditerranée (Marseille) for a mission on the theme of international and learning mobility. She will participate in the daily tasks of the organizations: her main tasks will be to contribute on projects, develop communication and exchanges with partners of the organization and to raise awareness on mobility for youth on the region. Zuzana a volunteer for the sending organization INEX (Czech Republic) will be hosted in CRIJPA (Marseille) for a mission on the theme of youth information and non-formal education. She will be in direct contact with the public, in the lobby of the center and in other youth information centers (relays). She will contribute in information session on European and international mobility. She will participate in events organized by CRIJPA and its partners (such as “Europe day”, “Studies Forum” or workshops). Finally, Anna one volunteer from the sending organization PECO (Italy) and Riccardo another volunteer from the sending organization Pota Nuova (Italy) will be hosted in Epicurium (Avignon), for a mission on the theme of sustainable development and biodiversity. They will participate in the daily life of Epicurium, will help the team to welcome visitors and to organize events. They will also participate in activities such as leading activities with kids, organizing festivals, gardening and harvesting fruits and vegetables. This project will be led following a methodology acquired by experience, as Pistes Solidaires has been working on learning mobility for years. This methodology is based on: a good knowledge of administrative tools of the Erasmus + program, a good communication and “transparency policy” with our partners, an in-depth tutoring with the volunteers. The mobility of youth in a situation of social or occupation integration will lead to empowerment and the learning of cross-disciplinary skills. This personal and professional development will allow a better integration once back in their own countries, but will also have a considerable impact during the volunteer. Indeed, the youth on the PACA territory who will be in contact with the volunteers will become aware of the issue of environment and of social challenges of youth, they will live an intercultural experience and will learn about opportunities for international mobility. In brief, the European volunteers will become “multipliers” in order to share the values that they believe in and knowledge that they carry. To sum up, this project wishes to answer to society and environmental issues on the scale of the PACA region, but also in Europe and the whole world. Hosting European volunteers in organizations partners of this project represents a solution to some needs in local and socio-cultural development. Thus, while being involved in active organizations, the young volunteers will get to know to keys for a sustainable and responsible behavior towards the planet, and towards others. Then, they will the able to promote this behavior towards their peers, in order to create a civil and responsible Europe.