This paper explores the use of Actor-Network Theory as a tool for exploring the complexity ofsustainability issues in a core Engineering and Society course for second-year students in a large,multidisciplinary engineering program. In the course, Actor Network Theory, which is a method for analyzing sociotechnical issues with an emphasis on the concept of power and its distribution, was introduced to the students through a series of learning activities and an assignment, initially encouraging

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... students to apply the approach to a system within their own life. Subsequently, the approach was used to analyze complex sociotechnical issues, for example, the use of Coal-based energy in Nova Scotia, and the Coastal Gaslink pipeline dispute in the Wet'suwet'enterritory. This paper describes our approach to introducing Actor Network Theory to engineering students, the benefits and limitations of the approach, and the efficacy of the approach for exploring sustainability issues. Other instructors may consider the introduction of ActorNetwork Theory through courses in Engineering & Society and Engineering Design.