Payments for environmental services schemes : An alternative approach to environmental conservation Author Greiber T. Journal/Series IUCN Environmental Law Programme Newsletter | No. 1; 11 - 12; 2 p. Date 2006 Source IUCN (ID: ANA-079686) Publisher | Place of publication IUCN | Bonn, Germany Document type Article in periodical Language English Field of application International Subject Environment gen., Wild species & ecosystems Keyword Financing Ecosystem preservation