The partners of the project "Young Committed to Biodiversity" want to organize a meeting of young people from June 27 to July 01, 2019, in Nancy around the issues of biodiversity. This meeting will prepare young people for an active participation of the IUCN International Conference which will take place in June 2020 in Marseille. The objectives are: * Mobilize an international delegation of young people around the theme of biodiversity * Preparing young people through thematic training and prior meeting on biodiversity issues * Provide tools to young people, to disseminate reflections around biodiversity at local level.