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This study provides a comprehensive assessment of global biomass potential estimates, focusing on the various factors affecting these potentials, such as food supplies, water use, biodiversity, energy demands and agro-economics. In addition, a number of studies analysing GHG balances of bioenergy are discussed. After an extensive inventory of recent studies in the different areas (food, water, biodiversity, agro-economics and energy demand); this study integrates the complicated linkages between the various factors, quantifying the consequences of the linkages and knowledge found in the inventory within the limits of the presently available models. The results are translated into an overview of the uncertainties in biomass resource potential estimates and summarises the available knowledge and knowledge gaps. This analysis leads to policy relevant recommendations for sustainable biomass use in the future including R&D needs. Social, legal and institutional aspects of biomass production and use ¿ although of large political relevance ¿ have not been part of this study. Including these aspects might reduce the available biomass potentials compared to technical estimates discussed in this study

This Supporting Document contains the result of the inventory phase of the study: ¿Biomass Assessment: Assessment of global biomass potentials and their links to food, water, biodiversity, energy demand and materials¿. The study was commissioned and supported by the Netherlands Research Program on Climate Change (NRP-CC), subprogram Scientific Assessment and Policy Analysis (WAB).