Presentation by Mark W. Rosegrant, Nicostrato Perez, Angga Pradesha, Timothy S. Thomas and Mercedita A. Sombilla at “Up and down the scales of time and place: Integrating global trends and local decisions to make the world more food-secure by 2050” Discussion Forum on the first day of the Global Landscapes Forum 2015, in Paris, France alongside COP21.