[en] A first document recalls some highlights and political measures regarding the development of the hydrogen sector, describes how hydrogen can play a key de-carbonizing role for industry, for mobility and for the integration of renewable energies into energy systems. It discusses what a national strategy means for this strategic sector: technological added value, significant economic perspectives, hydrogen as a strategic industry for France. It outlines the industrial dynamics of the sector: commitment of industrial groups, existence of a network of innovative SMEs, and of a logic of continuous innovation. It sheds a light on the commitment of territories: creation of local economic systems close to territorial peculiarities. It finally gives an overview of the world dynamics of the sector. The second document is an activity report of the professional body according to its objectives and missions: to make hydrogen a strategic priority for public authorities, to contribute to the evolution of the legal and regulatory framework, to structure and strengthen the sector, to be a reference when talking about hydrogen in France. The role and actions of the different working groups are evoked. Organizational aspects are indicated (governance, team, budget).