The paper aims to present RELOAD (REthinking Liminality Open Access Data). It is a new research project funded by FNRS at the Université Catholique de Louvain to demonstrate how through non-intrusive technologies and digital tools, the investigation of ancient landscapes concretely implements and promotes sustainable practices in archaeology (Carman 2016). The project highlights that investigating ancient spaces leads to rediscovering and deeply analyzing the complex human-environment interactions from the deep past to the Anthropocene. Moreover, it demonstrates that digital practices and non-intrusive methodologies are also strictly connected to the ethical principles of sustainably developing results. Integrating data about ‘marginal’ areas in northern Tuscany, RELOAD intends to demonstrate their central role in space management and the expression of local identities between the Roman conquest and late antiquity. Indeed, the ‘marginal’ areas, boundaries between territories, also fulfilling the function of physical barriers given the presence of peculiar geomorphological characteristics or imaginary borders between groups (Holm-Stene-Svensson 2009) are crucial for understanding the complex dynamics of man-environment-identity (Renes 2022). Archaeological traces reflect ancient sociocultural phenomena. Promoting knowledge of historic landscapes by sharing research results is a primary challenge to engage with contemporary society, raising awareness about the crucial role of archaeology and the community’s sense of belonging to a specific landscape. In this way, through wider collaborations with local institutions, it would be possible to achieve sustainability through culture as suggested by the SDGs 2030 UN Agenda (https://unric.org/en/united-nations-sustainable-development-goals/).