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The report examines the high climate vulnerability of the Caatinga biome in Brazil, highlighting that family farmers—who manage 79% of rural properties in the region—suffer the most significant productivity losses during drought events. Using an aridity index, the study demonstrates that the Caatinga faces more frequent and intense droughts than other Brazilian biomes, leading to relative productivity drops of 16% for beans and 35% for corn. Beyond agriculture, the report establishes a correlation between increased aridity and severe socioeconomic declines, including a 13% increase in poverty, a 10% increase in child mortality, and a 19% increase in school delay rates for a one-unit increase in the aridity index. The authors argue that a rural just transition in the region requires integrating social development policies with low-carbon agricultural technologies to increase the resilience of the most exposed producers.