This document summarizes the EDGE certification system for green buildings. It describes the EDGE certification process which involves a project team performing a self-assessment using EDGE software, registering for certification, and submitting documentation for review. An independent EDGE auditor then reviews the documentation, conducts a site visit, and recommends certification. The document provides information on becoming an EDGE auditor, including eligibility requirements and training. It positions EDGE as a free and easy to use tool for calculating return on investment from green building strategies.