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Abstract. Foresight is used to anticipate future developments and trigger responses to them. Serious games can enhance foresight by creating engaging experiences and increasing interaction between participants. In this paper we study how serious games can be used to generate new insights about alternative futures. We structure existing approaches based on their type and purpose and describe a case study of developing a web-based foresight game on circular economy. Based on the review and case study we suggest that foresight games that are balanced between the dimensions of idea generation, informing and experience are well suited to provide insights into the practices and strategy of the players' organisation.

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The transition to sustainable, biodegradable, and recyclable materials requires new sources of cellulose fibers that are already used in large volumes by forest industries. Oat and barley straws provide interesting alternatives to wood fibers in lightweight material applications because of their similar chemical composition. Here we investigate processing and material forming concepts, which would enable strong fiber network structures for various applications. The idea is to apply mild pretreatment processing that could be distributed locally so that the logistics of the raw material collection could be made efficient. The actual material production would then combine foam-forming and hot-pressing operations that allow using all fractions of fiber materials with minimal waste. We aimed to study the technical features of this type of processing on a laboratory scale. The homogeneity of the sheet samples was very much affected by whether the raw material was mechanically refined or not. Straw fibers did not form a bond spontaneously with one another after drying the sheets, but their effective bonding required a subsequent hot pressing operation. The mechanical properties of the formed materials were at a similar level as those of the conventional wood-fiber webs. In addition to the technical aspects of materials, we also discuss the business opportunities and system-level requirements of using straw as an alternative source of lignocellulosic fibers.