Despite significant progress in sustainable HCI towards theoretical frameworks to guide design, there is a gap between theory and practice, so that the impact of such frameworks is limited. As an initial exploration in bridging the theory-practice gap, we conducted a study using one well-established design framework, the Attachment Framework, to evaluate its applicability in use. We conducted a comparative study with 14 designers to explore the effect of the Attachment Framework on design, and evaluated their designs with 10 design experts using a set of six design criteria. Our results indicated a positive effect on the criterion of novelty, with mixed effects on attachment, presentation, aesthetics, usefulness, and feasibility. We contribute a set of challenges in the application of design frameworks to practice and offer a critical reflection on how researchers can more effectively communicate sustainable HCI design frameworks to practitioners.

Research in sustainable HCI has repeatedly pointed to the need for encouraging longer use of technology as part of the solution for stemming the tide of e-waste. Ways of achieving this goal remain elusive, however. We build upon previous research that considers the role of personal attachment in object ownership, and how this attachment might be leveraged to encourage longer use. We conducted a personal inventories study with 17 households in Switzerland, and use the findings to support and expand Odom et al.'s framework of attachment categories. We subsequently provided this framework to 3 designers and asked them to design novel technologies that encourage attachment. This exercise shed light on how they drew insight and inspiration from the framework, and how they integrated it into their design processes and design thinking.

The retention of old electronic devices is a practice of importance to sustainability and ubicomp. In this research, we aim to understand people's reasons for keeping out-of-use electronic devices. Using the Personal Inventories qualitative method we conducted 17 in-home visits to learn what technologies people keep and explore their relationships with out-of-use technologies. We identify various reasons for keeping devices that build upon existing work on electronics and sustainability.