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The paper reviews how the concept of sustainable development has played out in industrialized countries since 1987. It examines the theory and practice of sustainable development in the context of three criticisms (it is vague, attracts hypocrites and fosters delusions), and argues for an approach to sustainability that is integrative, is action-oriented, goes beyond technical fixes, incorporates a recognition of the social construction of sustainable development, and engages local communities in new ways. The paper concludes with a description of an approach to sustainability that attempts to incorporate these characteristics. [Copyright &y& Elsevier]

Abstract: Lack of attention to scale selection may limit the utility of multidisciplinary assessments and studies. This paper integrates research on scale from several disciplines to identify commonalities. Boundary objects – flexible enough to appeal and apply to different interest groups, and yet robust enough to maintain core concepts – offer a medium to connect findings from different disciplines. We propose a boundary object on scale — a 3-dimensional framework, whose axes are reality-, model- and data-scale. This framework can be applied to facilitate an improved transdisciplinary understanding of scale and more conscious scale selection that promotes the credibility, salience and legitimacy of decision support systems. [Copyright &y& Elsevier]