Zero Net Land Degradation. A Sustainable Development Goal for Rio+20 Author Ashton R. Date 2012 Source IUCN (ID: MON-086717) Publisher | Place of publication UNCCD | Bonn, Germany ISBN 978-92-95043-62-6 Pages 32p. Document type Monography/book Language English Field of application International Subject Environment gen. Keyword Food security Poverty Sustainable development Desertification Climate change