Treehouse is a dedicated hub for inspiring conversations, collaboration, idea generation and action on nature and natural climate solutions—at Climate Week NYC 2025.
The Doris Duke Foundation launched Treehouse during Climate Week NYC 2024 with nearly 40 events and over 800 participants over the course of the week.
We are excited to share a preview of some of the 40+ events we are hosting at Treehouse this year:
Sunday, September 21st
Financing the Future of Regenerative Agriculture
🕙 9:00 AM – 11:00 AM EDT
📍 Treehouse at the Doris Duke Center, 444 Madison Avenue, Fl. 10 New York, NY
📍 Treehouse at the Doris Duke Center, 444 Madison Avenue, Fl. 10 New York, NY
Hosted by The Office of Kat Taylor, this event is a panel discussion on innovative agricultural finance models that can better support small and mid-sized farmers and ranchers in adopting climate-smart and regenerative practices.
Bee:wild Film Screening at Duke Farms
🕙 11:15 AM – 3:30 PM EDT
📍 Duke Farms - 1112 Dukes Pkwy W, Hillsborough, NJ 08844
📍 Duke Farms - 1112 Dukes Pkwy W, Hillsborough, NJ 08844
Hosted by Re:Wild & The Doris Duke Foundation, this event is a special NYC Climate Week screening of Bee:wild at Duke Farms, followed by a panel, pollinator-inspired lunch, and property tours.
From Insight to Ordinance: Data-Driven Policy & Nature-Based Solutions for Urban Climate Resilience
🕙 1:00 PM – 3:00 PM EDT
📍 Treehouse at the Doris Duke Center, 444 Madison Avenue, Fl. 10 New York, NY
📍 Treehouse at the Doris Duke Center, 444 Madison Avenue, Fl. 10 New York, NY
Hosted by The Smart Surfaces Coalition, this interactive convening showcases the Cities for Smart Surfaces (C4SS) program, which helps cities transform rooftops, pavements, and parks with green, reflective, and porous surfaces to combat extreme heat, flooding, and climate inequities.
From Abandoned to Abundant with the Inga Tree Model
🕙 3:00 PM – 4:30 PM EDT
📍 Treehouse at the Doris Duke Center, 444 Madison Avenue, Fl. 10 New York, NY
📍 Treehouse at the Doris Duke Center, 444 Madison Avenue, Fl. 10 New York, NY
Hosted by The Inga Foundation, this event is a presentation and discussion on Inga alley-cropping, a proven agroforestry system that replaces slash-and-burn farming with sustainable, regenerative agriculture in the tropics.
How Nonprofits and Tribes Are Rewriting the Story of Climate Finance
🕙 5:30 PM - 8:30 PM EDT
📍 Treehouse at the Doris Duke Center, 444 Madison Avenue, Fl. 10 New York, NY
📍 Treehouse at the Doris Duke Center, 444 Madison Avenue, Fl. 10 New York, NY
Hosted by Blue Forest, this is a panel & working session exploring how Indigenous knowledge systems and blended finance models can work together to advance ecosystem stewardship, climate resilience, and equity.
Monday, September 22nd
Knowledge to Action: Ensuring Impact for the United by Nature Initiative
🕙 9:00 AM – 12:00 PM EDT
📍 Treehouse at the Doris Duke Center, 444 Madison Avenue, Fl. 10 New York, NY
📍 Treehouse at the Doris Duke Center, 444 Madison Avenue, Fl. 10 New York, NY
Hosted by The United By Nature Initiative, this event is an interactive session convening conservation leaders, policymakers, and partners to advance the first comprehensive national assessment of the state of nature and the benefits nature provides to the U.S.
Catalytic Landscapes Roundtable: Philanthropy and Working Lands
🕙 1:00 PM – 3:00 PM EDT
📍 Treehouse at the Doris Duke Center, 444 Madison Avenue, Fl. 10 New York, NY
📍 Treehouse at the Doris Duke Center, 444 Madison Avenue, Fl. 10 New York, NY
Hosted by Duke Farms and TomKat Ranch Educational Foundation, this invitation-only roundtable will foster an exchange on how we can leverage our collective assets, capacity, and community networks to accelerate our collective missions.
Reclaiming the Legacy: Inclusivity in Farm Bill’s Incentive-based Conservation
🕙 1:00 PM – 2:00 PM EDT
📍 Treehouse at the Doris Duke Center, 444 Madison Avenue, Fl. 10 New York, NY
📍 Treehouse at the Doris Duke Center, 444 Madison Avenue, Fl. 10 New York, NY
This convening, led by the America the Beautiful for All Coalition (AtB4A) Legacy Lands Working Group, is focused on advancing policy leadership for BIPOC private landowners and elevating principles for soil health, climate resilience, and water stewardship.
Black Girl Climate Dinner
🕙 6:00 PM – 8:00 PM EDT
📍 Treehouse at the Doris Duke Center, 444 Madison Avenue, Fl. 10 New York, NY
📍 Treehouse at the Doris Duke Center, 444 Madison Avenue, Fl. 10 New York, NY
Sponsored by Girl Plus Environment, this is an invite-only dinner centering Black women leaders in climate and sustainability, designed to build community, share strategies, and catalyze partnerships across sectors.
Tuesday, September 23rd
3rd Annual Forest Restoration Leadership Forum
🕙 9:00 AM – 4:00 PM EDT
📍 Treehouse at the Doris Duke Center, 444 Madison Avenue, Fl. 10 New York, NY
📍 Treehouse at the Doris Duke Center, 444 Madison Avenue, Fl. 10 New York, NY
This is a full-day convening hosted by 1t.org US (American Forests / World Economic Forum’s Trillion Trees movement), gathering high-level leaders across government, private sector, NGOs, and philanthropy to accelerate U.S. forest restoration and climate action.
HNWI Lunch
🕙 12:00 PM – 2:00 PM EDT
📍 Treehouse at the Doris Duke Center, 444 Madison Avenue, Fl. 10 New York, NY
📍 Treehouse at the Doris Duke Center, 444 Madison Avenue, Fl. 10 New York, NY
Convened by the Young Presidents' Organization, brings together a small, highly engaged group of climate funders to explore the philanthropic future of greenhouse gas/carbon removal (CDR) and what it will take to unlock progress now.
Valuing Nature and Unlocking Investment Potential
🕙 5:00 PM – 7:00 PM EDT
📍 Treehouse at the Doris Duke Center, 444 Madison Avenue, Fl. 10 New York, NY
📍 Treehouse at the Doris Duke Center, 444 Madison Avenue, Fl. 10 New York, NY
This two-hour panel & audience discussion, co-hosted by Doris Duke Foundation (Hila Shamon) and Goldfinch Strategies (Mika Morse), explores how governments, companies, insurers, and investors can apply this approach to embed nature into decision-making, accelerate nature-based solutions, and unlock new capital pathways
New Era for Forests Reception
🕙 6:00 PM - 8:00 PM EDT
📍 The Nature Hub - GH on the Park, 54 W 40th St, 10th Floor, New York, NY 10018
📍 The Nature Hub - GH on the Park, 54 W 40th St, 10th Floor, New York, NY 10018
Hosted by The Doris Duke Foundation, this reception will bring together leaders, innovators, and allies and feature speakers from American Forests, Climate Advisers, the Doris Duke Foundation, and other leading organizations creating a new era of climate-resilient forests.
Wednesday, September 24th
Modeling and Policy Analysis for Climate-Smart Forestry
🕙 9:00 AM – 1:00 PM EDT
📍 Treehouse at the Doris Duke Center, 444 Madison Avenue, Fl. 10 New York, NY
📍 Treehouse at the Doris Duke Center, 444 Madison Avenue, Fl. 10 New York, NY
This invite-only strategy session is convened by American Forests to align partners on scaling climate-smart forestry (CSF) practices nationwide.
Avoided Deforestation: Building a coalition for targeted policies and protections for forests at risk of conversion
🕙 9:00 AM –12:00 PM EDT
📍 Treehouse at the Doris Duke Center, 444 Madison Avenue, Fl. 10 New York, NY
📍 Treehouse at the Doris Duke Center, 444 Madison Avenue, Fl. 10 New York, NY
This invite-only working session is convened by the Open Space Institute (OSI) and partners to advance Avoided Conversion (AC) as a Natural Climate Solution.
Integrating Natural Climate Solutions into Energy Infrastructure: An Expert Workshop
🕙 12:00 PM – 3:00 PM EDT
📍 Treehouse at the Doris Duke Center, 444 Madison Avenue, Fl. 10 New York, NY
📍 Treehouse at the Doris Duke Center, 444 Madison Avenue, Fl. 10 New York, NY
This is an interactive workshop hosted by the National Wildlife Federation (NWF) to explore how the clean energy buildout can be aligned with wildlife conservation, community priorities, and natural climate solutions.
AI for Earth: Co-creating a Roadmap for Responsible Adoption
🕙 1:30 PM – 3:00 PM EDT
📍 Treehouse at the Doris Duke Center, 444 Madison Avenue, Fl. 10 New York, NY
📍 Treehouse at the Doris Duke Center, 444 Madison Avenue, Fl. 10 New York, NY
This roundtable hosted by Climate Collective facilitates a discussion on how artificial intelligence (AI) can be leveraged to advance climate and biodiversity goals while addressing sustainability and ethical concerns.
From Ashes to Action: Scaling Reforestation After Wildfire
🕙 3:00 PM – 5:00 PM EDT
📍 Treehouse at the Doris Duke Center, 444 Madison Avenue, Fl. 10 New York, NY
📍 Treehouse at the Doris Duke Center, 444 Madison Avenue, Fl. 10 New York, NY
This is a collaborative session between Planscape, American Forests, The Nature Conservancy and additional friends to address the urgent challenge of post-wildfire reforestation in the U.S., convening cross-sector leaders to chart scalable, equitable, and science-driven solutions.
Thursday, September 25th
An Innovative Approach to Conserve Grassland Ecosystems
🕙 8:00 AM – 10:00 AM EDT
📍 Treehouse at the Doris Duke Center, 444 Madison Avenue, Fl. 10 New York, NY
📍 Treehouse at the Doris Duke Center, 444 Madison Avenue, Fl. 10 New York, NY
Hosted by American Prarie & The Doris Duke Foundation, this breakfast event highlights large-scale grassland conservation and rewilding.
Working Forest Climate Solutions: Delivering Impact at Scale through Collaboration
🕙 11:00 AM – 1:00 PM EDT
📍 Treehouse at the Doris Duke Center, 444 Madison Avenue, Fl. 10 New York, NY
📍 Treehouse at the Doris Duke Center, 444 Madison Avenue, Fl. 10 New York, NY
This joint convening by The Nature Conservancy (TNC) and Timberland Investment Group (TIG) explores how large-scale timberland investment and conservation partnerships can accelerate climate, biodiversity, and community benefits from U.S. working forests.
Partnerships in Philanthropy
🕙 1:00 PM – 5:00 PM EDT
📍 Treehouse at the Doris Duke Center, 444 Madison Avenue, Fl. 10 New York, NY
📍 Treehouse at the Doris Duke Center, 444 Madison Avenue, Fl. 10 New York, NY
Hosted by The Doris Duke Foundation, this second annual gathering of the Partnerships in Philanthropy Community of Practice, convenes a cross-section of philanthropy partners to formalize a shared purpose, ambition, and action plan for the Partnerships in Philanthropy community.
Finding the Signal in the Noise
🕙 1:00 PM - 4:00 PM EDT
📍 Treehouse at the Doris Duke Center, 444 Madison Avenue, Fl. 10 New York, NY
📍 Treehouse at the Doris Duke Center, 444 Madison Avenue, Fl. 10 New York, NY
This closed-door workshop for Funders, Builders and Practitioners hosted by The Nature Tech Collective, is a showcase and working session highlighting new nature tech resources designed to close the nature data gap and accelerate the global nature-positive transition.
Futures in Conservation: New Approaches
🕙 4:00 PM – 5:30 PM EDT
📍 Treehouse at the Doris Duke Center, 444 Madison Avenue, Fl. 10 New York, NY
📍 Treehouse at the Doris Duke Center, 444 Madison Avenue, Fl. 10 New York, NY
This event is a roundtable hosted by Global Futures Laboratory (GFL) exploring bold new learning models for conservation leadership and education.
Our Trees, Our Stories: Shaping a Transformative Future for Forests
🕙 6:00 PM – 8:00 PM EDT
📍 Treehouse at the Doris Duke Center, 444 Madison Avenue, Fl. 10 New York, NY
📍 Treehouse at the Doris Duke Center, 444 Madison Avenue, Fl. 10 New York, NY
The Doris Duke Foundation and the National Geographic Society are partnering to celebrate the importance, power, and beauty of trees and forests.
The event will feature an intimate dialog with National Geographic Explorer at Large, Nalini Nadkarni. Nalini will discuss her work as a pioneer of scientific tree canopy research and her efforts to inspire awareness for trees in diverse societal sectors, including corporations, faith-based groups, artists, and people who are incarcerated.
Friday, September 26th
Procurement is Power: How Sub-National Actors Can Fight Deforestation
🕙 10:00 AM – 12:00 PM EDT
📍 Treehouse at the Doris Duke Center, 444 Madison Avenue, Fl. 10 New York, NY
📍 Treehouse at the Doris Duke Center, 444 Madison Avenue, Fl. 10 New York, NY
This workshop convened by Environmental Advocates NY (EANY), National Wildlife Federation (NWF), and World Wildlife Fund (WWF) focuses on how state procurement policy can prevent deforestation-linked products from entering public supply chains.
Climate Resilience Planning
🕙 11:00 AM –1:00 PM EDT
📍 Treehouse at the Doris Duke Center, 444 Madison Avenue, Fl. 10 New York, NY
📍 Treehouse at the Doris Duke Center, 444 Madison Avenue, Fl. 10 New York, NY
This is an open session hosted by the Bears Ears Inter-Tribal Coalition (BEITC) on implementing the climate resiliency goals of the 2025 Resource Management Plan (RMP) for the Bears Ears National Monument, amid shifting federal regulatory frameworks.
Climate Futures Summit
🕙 1:00 PM – 3:00 PM EDT
📍 Treehouse at the Doris Duke Center, 444 Madison Avenue, Fl. 10 New York, NY
📍 Treehouse at the Doris Duke Center, 444 Madison Avenue, Fl. 10 New York, NY
This is an intergenerational convening led by BlackOak Collective, designed to expand Black leadership in climate justice, clean energy, conservation, and environmental policy.
Living Planet Open Canopy Event
🕙 4:00 PM – 7:00 PM EDT
📍 Treehouse at the Doris Duke Center, 444 Madison Avenue, Fl. 10 New York, NY
📍 Treehouse at the Doris Duke Center, 444 Madison Avenue, Fl. 10 New York, NY
This is a joint session led by Investors Circle (IC) and the Living Planet Working Group (LPWG) bringing together purpose-driven investors, entrepreneurs, and Indigenous/community leaders to reimagine how business and capital can support a healthy biosphere.