ENVIRONMENTAL
INTRODUCTION
CORPORATE CITIZENSHIP
GOVERNANCE AND TRANSPARENT REPORTING
APPENDICES
Biodiversity
Targets and Performance Sustainability Guidelines and Policies
Energy
Data-Driven Performance Innovation ESRT Version 2.0 GHG Emissions
Roadmap to Building Efficiency
Water
Waste Healthy Buildings
Tenant Engagement
Landscaping and Green Roofs ESRT has six green roofs at the Empire State Building and numerous rooftop gardens across our portfolio. All new landscaping is required to be native and adaptive with plants that are insect- and disease-resistant. We use organic and natural materials whenever feasible. Integrated Pest Management To minimize pest infestations and exposure to pesticides, we developed an integrated pest management program that can be found in our Sustainability Guidelines, which all building staff and third-party vendors must follow. These stringent guidelines include procedures that involve monitoring and reporting, communication, environmental control, documentation, validation of compliance, and preventative pest management best practices. Forest Preservation ESRT has offset residual non-electric fossil fuel emissions with validated clean energy generation since 2021. In 2025, following years of research to make our impact local to New York, ESRT partnered with the Empire Riverlands Forest Project to offset 100% of the portfolio’s non-electric energy usage, which includes all steam, natural gas, and fuel oil energy consumption. This partnership contributes to the conservation of approximately 47,000 acres of primarily northern hardwood forests across Lewis, Oneida, and Herkimer counties in New York. This project generates verifiable carbon credits, supports our local economy, and protects biodiversity through sustainable forestry. Through a holistic approach to conservation, the project increases tree seedling regeneration, addresses pests, improves forest species diversity, restores wetlands and streams, controls invasive species, conducts prescribed burns, reforests meadows, and creates wildlife habitats where animals can thrive. These actions improve forest health, make it resilient to extreme weather, boost its ability to act as a carbon sink, and enhance its ability to provide recreational and income- generating opportunities for local communities.
New management of the forest will focus on lighter sustainable harvests and allow natural forest growth to enhance carbon sequestration via above- and below-ground biomass and standing dead wood as it maintains ecosystem health.
39 EMPIRE STATE REALTY TRUST 2025 CORPORATE SUSTAINABILITY REPORT
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