International Principles and Standards for the Practice of Ecological Restoration Third Edition: June 2026

Growth in understanding of ecological restoration necessitates updated guidance for effective, equitable, and outcome-oriented restoration across terrestrial, inland water, and coastal and marine ecosystems. The third edition of the Society for Ecological Restoration (SER) International Principles and Standards for the Practice of Ecological Restoration provides an expanded, evidence-based framework for ecological restoration aligned with the United Nations Decade on Ecosystem Restoration and other global frameworks.

This revision clarifies terminology, updates Principles with current science and practice, provides expanded Standards of Practice, and improves the Five-star System.