Psychology has taken interest in finding effective ways to promote pro-environmental behaviors in society, different resources such as nudging and social norms have been increasingly studied in the field. This paper focuses on the use of dynamic and static social norms in the promotion of recycling behavior in a university of Bogotá, Colombia. It was of particular interest to design an intervention that allows to study its long-term effects and the contrast between static and dynamic social norms. Overall, results pointed to a positive short and long-term effect of social norms intervention compared to control group, about the difference between static and dynamic social norms, results were not definitive, this is further discussed and limitations are also exposed
