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There is a growing demand in industry for engineering graduates who can think “sustainably.” However, there are many barriers to developing assessment that fosters sustainability learning in engineering classrooms. There is no consensus on the definition of sustainability and its key competencies and teaching resources are limited.

Staff are unclear about what to teach, how to teach, and how to assess learning. Assessment is an integral part of teaching and learning and should be planned from the earliest stages, but this is rarely done. Engineering relies heavily on traditional assessments such as tests and examinations, but these are known to encourage surface learning. Sustainability is complex, multidisciplinary, and needs context, which requires higher-order thinking characteristic of deep learning.

Current assessment types for sustainability include examinations, case study, concept maps, and project-based learning. However, more research is needed to develop best practice assessments. Recommendations for teaching approach are to use a rigorous approach to instructional design, use a systems approach, and use a teaching model that promotes deep learning, incorporates context, and promotes alignment of learning objectives and assessment. Community-oriented assessments are recommended that feature the interdisciplinarity and complexity of sustainability and promote higher-order thinking.

Indicators-based framework has been developed for the sustainability assessment of infrastructure projects but this framework has limitations in quantifying the qualitative parameters. The top-down approach that utilizes principles to assess the sustainability of infrastructure projects has the ability to consider qualitative parameters. The research on the development of principles-based approach is however limited and, in fact, the study on the development of principles to assess the sustainability of public–private partnerships (PPPs) infrastructure projects is in a nascent stage. The purpose of this study is the development of an empirical framework of guiding principles that will facilitate the assessment of PPPs from sustainability perspective. The study has used a grounded theory qualitative approach by using interviews and literature as primary and secondary data sources, respectively, to develop the framework of guiding principles to achieve goals of sustainable infrastructure development through PPPs. The framework comprises 18 guiding principles, which will act as guidelines to facilitate promotion of sustainable practices throughout the life cycle of PPP project so that sustainability goals can be accomplished. The guiding principles could be used as the qualitative parameters for public and private sector to assess the sustainability of PPP infrastructure projects. This chapter presents critical insights on principle-based approach for sustainability assessment of PPP projects, which has not been the focus in the majority of earlier studies.