In Blumenau, located in the Itajaí river basin, in the Brazilian state of Santa Catarina, Civil Defense has been developing in municipal, state and private schools, through activities to raise public awareness of the risks of natural disaster. These actions include training pupils to understand what risk is, and what they should do before, during and after a disaster. The project, entitled “Agente Mirim de Defesa Civil (AMDC) [Junior Civil Defense Agent] seeks to mediate knowledge for Disaster Risk Reduction (DRR) and prevention over the course of a year. This study describes the AMDC project, based on methodological procedures through meetings and the application of comparative questionnaires. The results obtained during meetings organized by the Blumenau Civil Defense enhanced the students’ education, giving them a knowledge of the basics of Environmental Education (EE).