Objective: In May 2024, Rio Grande do Sul, Brazil, faced the greatest climate catastrophe in its history when a flood affected approximately 90% of the entire state territory. This study aimed to describe the strategic actions of volunteers gathered by a social institution linked to a private hospital in southern Brazil and their impacts on the affected community.
Methods: Descriptive study, based on the experience of the team at the Instituto Moinhos Social (IMS) - Hospital Moinhos de Vento (Rio Grande do Sul - Brazil), which brought together a group of volunteers to develop actions in response to the flood.