The methodological assessment of scenarios and models of biodiversity and ecosystem services carried out under the auspices of the Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services (IPBES) provides guidance for the use of scenarios and models for experts performing assessments within IPBES, as well as to scientists and other stakeholders and decision makers. Because the assessment focuses on methods, this report is more technical in nature than the thematic, regional and global assessments of IPBES. The assessment focuses on a critical analyses of the state-of-the-art and best practices for using scenarios and models in assessments and policy design and implementation relevant to biodiversity and ecosystem ser...