D1.1. Open Access Transdisciplinary dataset: FLOW Encyclopædia is the first deliverable of WP1 Knowledge Integration and inFLOW lens, in the project FLOW: Future Lives with Oceans and Waters. In contribution to the EU Mission Restore our Oceans and Waters by 2030, FLOW is an international and interdisciplinary project studying young generations relations and engagement with water and oceans, their expectations, and emotions. The FLOW consortium consists of four partners: Radboud University, Fraunhofer ISI, UiT The Arctic University of Norway, and Volonteurope. The FLOW Encyclopædia is a compendium providing a summary of transdisciplinary knowledge on the specific topic of “changing human-water relations”. The FLOW Encyclopædia includes the following files: 1. a Glossary that comprises: a domain-specific vocabulary (this document, Section Concepts) a list of domain-relevant theories (this document, Section Theories) a list of critical theories (this document, Section Critical Theories) 2. a Spreadsheet that includes: metadata of the items recorded in the Glossary metadata of items collected from other sources (e.g., conferences, films, games, research projects, high-level reports (e.g., IPCC), surveys (Eurobarometer) etc.) 3. a Bibliographic file (made using Mendeley as Reference Management Software).