MAB France was established to oversee the Man and the Biosphere UNESCO programme in France. It coordinates and offer technical support to the network of 14 French Biosphere Reserves, which are involved in its governance. Its assets in the BECOME project are to provide a scientific and technical perspective on the governance of Biosphere Reserves, and to develop collaborations with managers and scientific communities. MAB France will also share its experience in involving youths in the governance of BRs.