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This paper presents a synthesis of the PRESS initiative (PEER⁷ Research on Ecosystem Services). In support of the EU Biodiversity Strategy to 2020, this initiative demonstrated a multi-scale mapping and assessment approach of ecosystem services using three case studies. The water purification case studied the impacts of agricultural and water policy scenarios on the capacity of ecosystems to purify water. The conclusion was that greening the subsidies to farmers in Europe would improve water quality and increase the benefits to society as measured via monetary valuation. Yet, scenario based nitrogen reduction levels differed among the different scales (EU and basin scale) suggesting that the assessment of policy measures is scale-dependent, which, in turn, justifies a multi-scale mapping and assessment approach. The recreation case presented evidence that millions of people visited forests several times …