Dr. Héctor Poggi Varaldo, CINVESTAV-IPN (Mexico) “Biorefineries: sustainability issues, perspectives and organizational tools to foster their development“

Dr. Lourdinha Florencio, Universidade Federal de Pernambuco (Brazil). “Wastewater treatment, nutrient removal and recovery: the challenges for development and improvement of technology in Brazil“

Dr. Isabel Sastre Conde, SEMILLA. (Spain). “Some soil physical aspects target action of organic amendments in the pesticides stabilization in soil“

Dr. Isabelle Laffont-Schwob, IMBE-Aix Marseille Université (France). “Ecological engineering tools to remediate and restore trace metal and metalloid polluted sites in Mediterranean protected areas“

Dr. Juan Rodríguez, Universidad Nacional de Ingeniería (Perú). “Water Purification at rural areas using nanomaterials under solar radiation“

Dr. Orlando Alfano, INTEC, UNL-CONICET (Argentina). “Photo-Fenton Solar Reactors: Fundamentals and Environmental Applications“.

Dr. Juan Pablo Bussalmen, INTEMA-CONICET, UNMDP (Argentina). “Electric pets: On how Geobacter sulfurreducens can become domestic“

Dr. Irma Morelli, CINDEFI-CONICET, UNLP (Argentina). “New molecular techniques: A shift in bioremediation overview“.