This paper reports about pervasive interventions at a university campus to increase the pro-environmental awareness, consciousness, and learning of employees. Based on an assessment of the research gaps in this problem area we present results and design implications from three intervention iterations. While in the first intervention the focus was on increasing awareness through information distribution with ambient learning displays on the campus, the second iteration provided personalised feedback to employees with the help of a sensor network and different client applications. The third iteration then implemented a game-based learning concept. Results reveal that these approaches are effective on different levels and that a combination of these elements can lead to increased pro-environmental consciousness, learning and hopefully a sustained behaviour change of employees.


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