We examine the relationship between environmental trust and supply chain behaviour in this study. We find that environmental trust measured by endemic population at the county level matters in the formation and maintenance of supply chains. In normal times, the environmental trust distance between supply chain partners matters in supply chain relationship retention, in accordance with economic matching theory by Gary Becker. Upon facing exogenous/endogenous disruptions, a focal firm’s environmental trust level matters more than distance of the partners. This is a joint work with Volodymyr Babich, Gilles Hilary, and MS PhD student Zi’ang Wang, who is the talk presenter.