Abstract
Within the space sector, the application of Environmental Life Cycle Assessment (E-LCA) is beginning to emerge as a credible and compelling method for scientifically quantifying environmental impacts of space missions. However, E-LCA does not fully align with the concept of triple-bottom-line sustainability, whilethe combination of all three sustainability dimensions (environment, society, and economy) within a single life cycle study has thus far never been attempted within the space industry. Moving toward a Life Cycle Sustainability Assessment (LCSA) is, therefore, a logical next step for the space sector to allow these three sustainability dimensions to be addressed. Consequently, this article presents the underlying principles of a new LCSA framework for space missions and demonstrates its applicability for improving system-level design concepts based on the interaction between sustainability dimensions. The framework was formed based on a systematic literature review to analyze the background, issues, and knowledge gaps related to life cycle methodologies, as well as context-specific sustainability aspects. The framework has been implemented within a life cycle database called the Strathclyde Space Systems Database (SSSD). Using the SSSD, the framework was tested on a mission concept called Moon Ice Observation Satellite to demonstrate how changes in the design for a circular economy and other sustainability-based principles will affect the functionality of the mission at the system level. It is envisaged that this framework will enable engineers to create sustainable space systems, technologies, and products that are not only cost-efficient, eco-efficient, and socially responsible, but also ones that can easily justify and evidence their sustainability. Integr Environ Assess Manag 2023;19:1002-1022. © 2022 The Authors. Integrated Environmental Assessment and Management published by Wiley Periodicals LLC on behalf of Society of Environmental Toxicology & Chemistry (SETAC).
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