Why power matters in Payment of Environmental Services (PES) Author Boelens R., Rodríguez de Francisco J.C. Date 2014 Source IUCN (ID: MON-094221) Publisher | Place of publication Deutsches Institut für Entwicklungspolitik | Bonn, Germany Document type Monography/book Language English Field of application International Subject Water Keyword Freshwater resources management Ecosystem preservation Fiscal and market measures Website www.die-gdi.de