SAN MATEO, Calif. & BERLIN--(BUSINESS WIRE)--Infrastructure Investor Global Summit Berlin – Mercatus, a leading asset and investment management platform for alternative investors, and GRESB, the global ESG benchmark for real assets, today announced a strategic partnership to accelerate environmental, social and governance (ESG) integration for global infrastructure investors. More institutional investors than ever before are seeking standardized and validated ESG-related data on their infrastru.