Living labs are increasingly regarded to be a successful instrument for co-creation of knowledge and capacity building around soil carbon sequestration, connecting sciences and practitioners. During the session, different networks and projects from across the temperate climate zone will present their approaches to project design and implementation of living labs and reflect on opportunities and challenges. This sessions aims to identify open questions with regards to funding limits, uncertainty of results and conflicting objectives in project design and implementation, but will also allow to present some first results on farm-scale greenhouse gas balancing from the German Federal Humus Programme.