Appraising the environmental context in which an organization deploys its activity is a necessity in order to make appropriate decisions and adapting strategies to a context in constant evolution, especially in a time where this context is increasingly complex, uncertain and disruptive. Decision makers therefore need more than ever better tools that aid them to analyze their environment, providing them the most pertinent information to take the most appropriate decisions. In this paper, we attempt to propose a set of reusable artifacts that would facilitate the development of decision support systems for assessing the organization's environment. In particular, we propose an ontology that defines the different elements that shall be taken into account in order to effectively and efficiently scan an environment. We then provide an overview of some analysis techniques and tools that could be useful to analyze, assess and visualize essential information about these elements. Finally, we present two decision support system prototypes that allow a partial analysis of the environment using appropriate interaction and visualization techniques.