Challenges and opportunities for improving eco-efficiency of tropical forage-based systems to mitigate greenhouse gas emissions oleh Michael Peters, Mario Herrero, Myles Fisher, Karl-Heinz Erb, Idupulapati Rao, Guntur V. Subbarao, Aracely Castro, Jacobo Arango, Julián Chará, Enrique Murgueitio, Rein van der Hoek, Peter Läderach, Glenn Hyman, Jeimar Tapasco, Bernardo Strassburg, Birthe Paul, Alvaro Rincón, Rainer Schultze-Kraft, Steve Fonte, Timothy Searchinger