CHAPTER 2. CIVILIZATIONAL CRISIS OF THOUGHT: REFLECTIONS ON THE SUSTAINABLE DISCOURSES OF ENRIQUE LEFF. In: PINZÓN CANDELARIO, F. et al. Environmental Management and Rural Development: Innovations for a Sustainable Future”.: innovaciones para un futuro sostenible. Agriculture, Livestock and Environment. Colombia,CO: Sello Editorial UNAD, 2025. p. 35.