NEW YORK--(BUSINESS WIRE)--Empire State Realty Trust, Inc. (NYSE: ESRT) announced today that it achieved the highest possible Global Real Estate Sustainability Benchmark (GRESB) 5 Star Rating for the sixth consecutive year with a score of 93 and an A in public disclosure. ESRT achieved the highest management score for all 575 ranked companies in the Americas, and the second highest overall score for all listed companies in the Americas. GRESB is a rigorous standard that assesses and benchmarks. ...