Editorial of the seventh annual DHNB Conference Proceedings. DHNB2023 was held online and jointly organized by the University of Oslo Library, The University of Bergen Library, and the Greenhouse Center for Environmental Humanities at the University of Stavanger, Norway from March 8th to 10th, 2023. The conference was shaped by its theme of Sustainability, highlighting and dividing the contributions’ sub-themes of Environment, Community, and Data. This preface provides insight into the planning process and the execution of the online conference. In doing so, it offers insight into the choices made regarding the Conference theme and format and visualizations depicting an overview and analysis of conference participants and conference contributions.