Scientific Editor: Eline Boelee (iWmi)Main authors: sithara atapattu (consultant), Jennie Barron (sEi-src), Prem Bindraban (isric), stuart W. Bunting (icEs), david coates (cBd), Katrien descheemaeker (iWmi-iLri), nishadi Eriyagama (iWmi), max finlayson (iLWs), Line Gordon (stockholm resilience center), Elizabeth Khaka (unEP), Gareth James Lloyd (unEP-dHi), david molden (iWmi), catherine muthuri (icraf), sophie nguyen-Khoa (cPWf), don Peden (iLri), Petina Pert (csiro), fergus sinclair (icraf), Elaine solowey (aiEs), Luke sanford (consultant), david stentiford (consultant), Lamourdia thiombiano (fao).Contributors: tilahun amede (iWmi-iLri), marc andreini (iWmi), stefano Barchiesi (iucn), malcolm Beveridge (Worldfish), Luna Bharati (iWmi), marta ceroni (GiEE), thomas chiramba (unEP), floriane clement (iWmi), Karen conniff (consultant), Jan de Leeuw (iLri), Kristina donnelly (aiEs), Pay drechsel (iWmi), alexandra Evans (iWmi), renate fleiner (unEP), mark Giordano (iWmi), delia Grace (iLri), mario Herrero (iLri), devra Jarvis (Bioversity), robyn Johnston (iWmi), tim Kasten (unEP), david Lehrer (aiEs), clive Lipchin (aiEs), abby Lutman (aiEs), matthew mccartney (iWmi), Bertha nherera (Pelum), an notenbaert (iLri), asad Qureshi (iWmi), sara J. scherr (Ecoagriculture Partners), Katherine snyder (iWmi), rebecca tharme (tnc), martin van Brakel (cPWf), Jeanette van de steeg (iLri), Gerardo E. van Halsema (Wur), Kees van ‘t Klooster (Wur), and others.Language editor: Helen cousins