Thomas Wild¹, Zarrar Khan², Leon Clarke³, Mohamad Issa Hejazi⁴, Fernando Miralles-Wilhelm⁵, Raul Munoz-Castillo⁶, German Romero⁷, Sioux Melo⁸, Chris R Vernon⁹, Ricardo Delgado¹⁰, Andrew Miller¹¹, Julia Lacal Bereslawski¹², Micaela Suriano¹³, Ricardo Arguello¹⁴, Rossana Gaudioso¹⁵, Pia Mascari¹⁵, Maria Eugenia Carrazzone¹⁶, Federico Weinstein¹⁵ and Jose Casado¹⁷, (1)University of Maryland, Baltimore, United States, (2)Pacific Northwest National Laboratory, Joint Global Change Research Institute, College Park, MD, United States, (3)University of Maryland College Park, College Park, United States, (4)Joint Global Change Research Institute, College Park, MD, United States, (5)University of Maryland College Park, College Park, MD, United States, (6)Inter-American Development Bank, Washington, D.C., United States, (7)Colombia National Planning Department, Bogota, Colombia, (8)National Planning Departement, Bogota, Colombia, (9)Pacific Northwest National Lab, Richland, WA, United States, (10)Universidad de Los Andes, Bogota, Colombia, (11)University of Maryland, College Park, MD, United States, (12)Inter-American Development Bank, Buenos Aires, Argentina, (13)National Water Institute of Argentina, Buenos Aires, Argentina, (14)Universidad del Rosario, Bogota, Colombia, (15)National Government of Uruguay, Montevideo, Uruguay, (16)Inter-American Development Bank, Montevideo, Uruguay, (17)National Water Institute, Buenos Aires, Argentina