Abstract: In recent years, some regions have actively promoted cross-regional cooperated environmental governance in terms of coordinated legislation, joint law enforcement, and judicial cooperation, trying to solve the shortcomings of the territorial management model. This embodies the spatial turn of cooperated environmental governance and provides a new observation perspective and theoretical development opportunities for the iterative update of the environmental law. Based on the analysis of the characteristics of the spatial particularity, the subjective diversity, the multi-level interests, and the appeal diversity of the environment of the administrative boundary areas, this paper interprets and rethinks the applicable field of the“cooperative rule of law”theory of the environmental governance of the administrative boundary areas, as well as the regional environmental legislation, the law enforcement and the practice of judicial cooperation. From the perspective of environmental governance transformation and governance modernization, the inherent requirements of environmental co-governance in administrative border areas are to strengthen cooperation and co-governance between regional environments. It is necessary to promote the transformation of governance from individualism to ecological holism, from urban and rural justice to regional spatial justice, and from local legal system to the regional rule of law, and it is necessary to improve the institutional system, so as to promote the promotion and sharing of benefits based on environmental improvement and the realization of the people’s right to a better life.

Key words: administrative boundary area, coordination and cooperation, environmental co-governance, practice review, governance transformation