Environmental decision support systems (EDSS) involve both theoretical and applied concerns. Theoretical in terms of decision making and applied in terms of the development of actual systems to support decision making related to environmental issues. In this paper we describe a general research framework for conducting IS design research (the DAGS model), and show how that model is relevant to EDSS research. We argue that the dual goals of contributing to both theory and practice can at least

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... part be realized by more emphasis on the use of engineering and architecture as reference disciplines, and the use of Design science, Action research, Grounded theory, and Systems development as the components for this framework. The framework is illustrated with projects related to environmental issues.