GRESB is a mission driven and investor led organization providing standardized and validated Environmental, Social and Governance (ESG) data to the capital markets. Established in 2009, GRESB has become the leading ESG benchmark for real estate and infrastructure investments across the world. The 2021 real estate benchmark covers more than 1,500 property companies, real estate investment trusts (REITs), funds, and developers. Our coverage for infrastructure includes more than 700 infrastructure funds and assets. Combined, GRESB represents US $5.7 trillion in real asset value. The reported ESG data is used by more than 130 institutional and financial investors to monitor investments across portfolios and understand the opportunities, risks and choices that need to be made as the industry transitions to a more sustainable future.