FCiências.ID – Associação para a Investigação e Desenvolvimento de Ciências OesteSustentável- Regional Agency for Energy of the Western region of Portugal ZERO – Association for the Sustainability of the Earth System Policies for a Sustainable Hydrogen Economy in Europe Policies for a Sustainable Hydrogen Economy in Europe Green(ing) H2: National & EU Workshops Green(ing) H2: EU Workshop Green(ing) H2: National Workshops Green(ing) H2 Living Streets