Regenerative thinking is gaining momentum in HCI, shifting the focus from merely mitigating environmental harm to actively fostering cohabitation within more-than-human ecosystems. This shift challenges HCI researchers to develop new methodologies that engage with both material and cultural regeneration—harnessing the regenerative capacities of ecologies while preserving valuable knowledge systems. It also underscores the need for a fundamental onto-epistemological shift beyond anthropocentric notions of sustainability. To support HCI researchers in adopting regenerative approaches while addressing these challenges, this panel brings together a diverse group of design researchers working hands-on with materials ranging from biological to algorithmic. Through concrete examples and actionable insights, the panelists provide practical guidance on engaging with regenerative material ecologies. By interweaving multiple perspectives through a diffractive approach, the panel also explores the opportunities this emerging perspective offers for HCI, particularly at the intersection of sustainability, posthumanism, and decoloniality.

While decentering the human has been a key approach in posthumanist HCI, there are still questions and tensions around it. To address them, we outline emergent notions of decentering, tracing it back from HCI to critical posthumanism and connecting epistemological developments in the humanities to design scholarship. Then, reviewing how decentering is understood and practiced in HCI, we distill five emerging dimensions for articulating more-than-human practices. We conclude by unpacking “decentering through design” as an ongoing material practice through which more-than-human designers not only materialize (apply) posthuman theory but also “make” posthuman knowledge in their own unique ways.