Planning is a forward-looking and public-interest process, and for that purpose there is a choice of actions to be taken. Communicative rationality is highly recommended in planning related to the environment. However, among the factors that influence environmental planning communication, particularly regarding biodiversity issues, environmental ethics is still rarely discussed. Various environmental ethics need to be understood by a planner as a communicator and translating the desires of interested groups. Attention to environmental ethics also helps planners in selecting appropriate approaches to integrate biodiversity into urban planning. This study aims to examine the relationship between planning theory and environmental ethics that i...