The Green Building Initiative (GBI) is a 501(c)3 nonprofit organization dedicated to improving the built environment's impact on climate and society. GBI is the global provider of Green Globes®, a science-based building certification that evaluates the sustainability, health & wellness, and resilience of buildings. GBI is an American National Standards Institute (ANSI) Accredited Standards Developer and provider of the Guiding Principles Compliance (GPC) verification program, the first third-party assessment program designed specifically for federal building sustainability requirements.