Etang de Berre, a porous territory of past poisoning, present industrial operations and future projects, remains locked in its industrial destiny. In response, by deploying an intertwined strategy with plants and gossip as resistance tool, the landscape is transformed into an informant that reveals pollution networks and risks. Through emerging coalitions, the population mobilizes the territory as a vector of knowledge: establishing new forms of stewardship, communication and care, restoring community agency and connection to the land.