The drafting of this handbook was led by Sean Woolfrey of the International Institute for Sustainable Development (IISD), in collaboration with Sarah Brewin, Francine Picard Mukazi and Ronald Tundang from IISD, and Emma Jessie Mcghie from the Food and Agriculture Organization of the United Nations (FAO). Valuable contributions to the Handbook were also made by experts from FAO, including Yannick Fiedler, Jana Herold, Teresa Lamas Menéndez, Andrew Nadeau, and Victor Quezada Navarro. The layout and graphic design work by Carolina Saiz Suárez is gratefully acknowledged, as well as inputs to the layout by Maria Barral and Sally Millet from IISD and Chiara Nicodemi from FAO.