In 1998, a few winegrowers pioneering organic viticulture in Champagne created the Association des Champagnes Biologiques (ACB). Driven by the need to provide support and assistance in the face of an unfavourable professional environment, new members are gradually joining them and are coming to promote the exchange of knowledge and contribute to the development of environmentally friendly farming practices. En 2022, l’ACB regroupe 170 adhérents (producteurs de raisins ou de champagnes) et une quinzaine de sympathisants. Leur engagement à cultiver leurs vignes sans recours à la chimie de synthèse est motivé par la connaissance des équilibres naturels de la vie microbienne des sols, le respect de leurs terroirs et de leurs diversités, mais aussi le respect de leurs concitoyens et des générations futures. In 2022, the ACB brought together 170 members (grape or champagne producers) and some 15 supporters. Their commitment to cultivating their vines without resorting to synthetic chemistry is motivated by the knowledge of the natural balances of the microbial life of the soils, the respect of their terroirs and their diversities, but also respect for their fellow citizens and future generations. In addition, the members undertake to participate in the actions of the association: technical exchanges, openings of fields to people interested in organic farming, days of mutual aid, participation in collective communication, organic champagne tastings in France and abroad, defense of the label AB... etc. The ACB is part of the National Federation of Organic Agriculture (FNAB) and is a member of the France Vin Bio network. All members share the same conviction: it is possible to offer the best of the diversity of the terroirs of Champagne while preserving natural resources.