Green Advantage, as an organization, as well as its Green Advantage Certified Practitioner (GACP) credential were audited and reaccredited by ANSI under the international “gold standard” for certification organizations, ANSI/ISO/IEC 17024.The GACP remains the only green builder personnel certification in the industry that has achieved this accreditation that is targeted specifically to construction workers across building trades and applicable to major green building rating systems, standards, and codes in the US and Canada. For additional information about personnel certifications offered by Green Advantage, click here.