Hydraulic Operation and Aeration Variation in COD Removal in Oxidation Ditches in High Andean Climate.- Development of a Smart Framework to Continuously Monitor Constructed Wetland Efficiency.- Review of Remediation Techniques in Agricultural Soils Contaminated by Heavy Metals in Latin America.- Functionalization of Graphene Oxide with Poly(amido amine) and Its Application in Membrane Synthesis.- Impact of Employing Weather Forecast Data as Input to the Estimation of Evapotranspiration by Deep Neural Network Models.- Chloride and Sulfate Resistance of the Alternative Raw Materials-based Geopolymer.- Powder Flow Properties and Hopper Design.