Introduction: Environmental sustainability is in scope of occupational therapy practice. It is necessary to explore opportunities for sustainable action. Despite climate crisis being caused by occupational choices, it remains scarcely addressed in occupational therapy practice. Values influence occupational choices of individuals. Aim: To map environmentally sustainable occupational therapy practices using Guiding principles for Sustainability and environmental ethics as lenses. Method: A Scoping review guided by Arksey and O’Malley, documented in tables, text and Prisma Flow Diagram, applying a deductive approach to conduct Qualitative content analysis of data. Findings: Numerous possibilities of OTs role in environmental sustainability are considered in literature in relation to each of the five guiding principles, with most being rooted in anthropocentrism. Conclusions: Individual OTs are encouraged to use the guiding principles as foundation for initiating changes in their respective setting, using presented findings as inspiration. Person-centeredness should be reconsidered when faced with environmentally unsustainable occupational behavior. Significance: Review offered a unique insight into environmental ethics principles behind environmentally sustainable occupational therapy practices and up to date overview of ways of implementation. The need to document evidence of implementation and effectiveness is revealed. Author calls for debate on environmental ethics principles behind environmentally sustainable occupational therapy practices.