General methodology of Life Cycle Assessment that will be used to assess the environmental evaluation of each case study. This includes the description of the used methods and tools, as well as information that applies for all studied systems. The document also comprises the methodological approach, the interpretation concept and specific assumptions for the innovative production strategies assessed within the CS of Circular Agronomics. All studied systems are described in detail and a brief overview over the further steps of the environmental assessment, including data collection and calculations is given.