MSCI is a leading provider of critical decision support tools and services for the global investment community. According to MSCI, an MSCI ESG Rating is designed to measure a company's resilience to long-term, industry material environmental, social and governance (ESG) risks. They use a rules-based methodology to identify industry leaders and laggards according to their exposure to ESG risks and how well they manage those risks relative to peers. Their ESG Ratings range from leader (AAA, AA), average (A, BBB, BB) to laggard (B, CCC).