United States


a large snow-covered mountain with evergreen trees in the foreground.
Mount Tahoma Also known as Mount Rainier. © Courtney Baxter / TNC

Working Towards a Resilient Future in Washington

We are addressing the twin crises of climate change and loss of biodiversity by advancing positive and equitable change through care and stewardship of Washington’s land and water—through legislative and regulatory policy; advocating for equitable access to public funding; and by bringing together powerful and diverse partners, communities and decision-makers.

About Us


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Our Trustees

Our Trustees in Washington

Our Leaders

The Leadership Team in Washington

Our Staff

Our staff in Washington