Harvesting rainwater for food security: farmers' perceptions of the Boardwalk Cisterns Program in Alagoas, Brazil.

Introduction: Boardwalk Cisterns is a government program that aims to attend a population with precarious access to water in Brazil. Developed as part of the Zero Hunger strategy, it intends to increase food security and contribute to the realization of the human right to food. The objective of this study was to assess farmers' perceptions of the Boardwalk Cisterns program and its impact on the food security situation of beneficiary households.