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The report analyzes the high climate vulnerability of the Caatinga biome, highlighting that family farmers—who manage 79% of rural properties in the region—are the most exposed to drought. Using an aridity index, the study demonstrates that increased aridity leads to significant relative losses in the productivity of beans, maize, and livestock compared to other Brazilian biomes. Beyond immediate agricultural losses, the report establishes correlations between increased aridity and worsening socio-economic outcomes, including higher poverty rates, increased infant mortality, higher school delay rates in primary education, and increased unemployment. It argues that a 'just rural transition' in the region requires integrating social policies with low-carbon agricultural technologies to build resilience among the most vulnerable producers.