This document discusses resilience in natural resource management and social-ecological systems. It defines resilience as the ability to absorb disturbances while maintaining structure and function. It identifies threats to resilience such as pollution, overexploitation, and governance failures. It provides principles for resilient natural resource projects such as promoting diversity, embracing variability, and enhancing governance overlaps. It also summarizes approaches to build resilience in focal areas like protected areas, land management, water resources, and forests.