1. Global Climate Forum; Neue Promenade 6 10178 Berlin Germany
2. Institute for Co-operation in Developing Countries (IKE); Philipps University; Marburg, Am Plan 2 35032 Marburg Germany
3. CIHEAM Mediterranean Agronomic Institute of Bari; Land and Water Resources Management Department; Via Ceglie 9 70010 Valenzano BA Italy
4. International Development Specialist in land policy and land management; Gerokstrasse 52 72131 Ofterdingen Germany