Greenhouse gas emissions from food systems: building the evidence base oleh Francesco N Tubiello, Cynthia Rosenzweig, Giulia Conchedda, Kevin Karl, Johannes Gütschow, Pan Xueyao, Griffiths Obli-Laryea, Nathan Wanner, Sally Yue Qiu, Julio De Barros, Alessandro Flammini, Erik Mencos-Contreras, Leonardo Souza, Roberta Quadrelli, Hörn Halldórudóttir Heiðarsdóttir, Philippe Benoit, Matthew Hayek, David Sandalow