Faced with the erosion of life and climate issues, the role of companies in preserving biodiversity becomes central. The conference moderated by journalist Yannick Boucher will provide scientific and operational insights. Speech by Morgane Gonon, PhD student at CIRED, on the economist’s perspective on biodiversity. Testimonies of committed actors of the territory: Arnaud Martin (Conservatoire d'espaces naturels d'Occitanie), Christophe Lépine (Conservatoire d'espaces naturels des Hauts-de-France), Romain Dekeyser (Caisse d'Epargne Hauts de France), Éric Sapin (STB Matériaux), Frédéric Motte (mission Rev3), Éric Derville (Norauto). The conference will end with the opening of the exhibition of the Nikita Agency and a cocktail dinner.