“The Man and the Biosphere (MAB) Programme, launched in 1971, is UNESCO’s oldest intergovernmental scientific programme and it is celebrating its 50th anniversary in 2021 and 2022. The MAB Programme and the biosphere reserve model have, over the past 50 years, become an international example of sustainable territorial development and highlight UNESCO’s and the MAB’s commitment to the global biodiversity agenda and the Sustainable Development Goals.