UpStream: Motivating Water Conservation with low-cost water flow sensing and persuasive displays (2010)

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This study explores unobtrusive low-cost water flow sensing and several persuasive displays as an approach for promoting water conservation in public and private spaces. Early prototypes were installed at public faucets and a private (shared) shower, logging water usage first without and then with ambient displays. Our long-term deployment of the ambient water visualization was able to effectively motivate water reduction in private homes for all participants. Moreover, our displays have led participants to reflect on their behaviour and reconsider sustainability and environmental issues beyond water usage and showing.