The Sertão do Pajeú is one of the most fragile semi-arid regions in the world. The Caatinga ecosystem is the largest dry forest region in South America, and certainly one of the richer dry forests in the world. A fragile balance joins the environment with local traditions and daily life.
Here, where the last century Limpião and Padre Cicero fought inequality. Nowadays the dangers of climate change are added to historical social claims and marginalization. The Northeast is the poorest and most stigmatized region of Brazil. Despite the economic progress of recent decades, the Northeast remains a poor, isolated, and marginal region.