ENVIRONMENTAL
INTRODUCTION
SUSTAINABILITY OBJECTIVES AND STRATEGY
CORPORATE CITIZENSHIP
GOVERNANCE AND TRANSPARENT REPORTING
APPENDICES
ROADMAP TO BUILDING EFFICIENCY
September Began development of Empire State Building 1.0 deep energy retrofit study 2007
2010
2019
2022
June Published expansion of our Playbook with NYSERDA to share all ESRT properties, including multifamily 2.0 studies 2024
January Purchased Green-e wind RECs to offset 100% of the Empire
January Updated sustainability standard operating procedures for the portfolio to align with latest advancements and green building certifications
January Achieved carbon neutrality across portfolio through a combination of operational emissions reduction and validated offsets April Announced ESRT 2.0 engineering study and published the Empire Building Playbook October Completed all NYC commercial 2.0 engineering roadmap studies
State Building’s electricity usage
October Began development of ESRT 2.0 roadmap
2009
2012
2021
2023
January Integrated operational best practices from Empire State Building 1.0 into portfolio standards Developed the Tenant Energy Optimization Program based on our work to demonstrate tenants’ role in energy reduction and to model and prove the business case for highly efficient sustainable tenant spaces. The program was gifted to Urban Land Institute (ULI) to scale
January Purchased Green-e wind RECs to offset 100% of the commercial portfolio’s electricity usage April Target deep energy retrofit for the Empire State Building by 2030 and commercial portfolio by 2035 Empire State Building 2.0 roadmap case study completed
April Announced Empire State Building 1.0 groundbreaking retrofit and provided the industry with a free open-protocol blueprint of what is technically and economically possible December Implemented High Performance Design and Construction Standards in all leases, which required all Empire State Building projects to be designed and built to perform at the highest level of efficiency and environmental responsibility
October Multifamily and CT commercial properties 2.0 roadmap studies completed Set 2.0 target for multifamily portfolio by 2035
October Four commercial 2.0 roadmap studies completed
23
2024 SUSTAINABILITY REPORT
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