TNC works across all 50 states to conserve the lands and waters on which life depends.
A leading conservation organization in the United States and around the world, TNC works with public and private partners to ensure our lands and waters are protected for future generations.
- New Hampshire
- New Jersey
- New Mexico
- New York
- North Carolina
- North Dakota
- Rhode Island
- South Carolina
- South Dakota
- West Virginia
North America Priority Landscapes
Learn about these important areas for conservation work that crosses political boundaries.
Rooted in Restoration: An Opportunity to Build Back Montezuma Cypress
A love letter to the Montezuma cypress, the iconic national tree of Mexico, and its return to Texas.
Wet and Wild: The Weird, Wondrous and Wicked Cool Creatures in Midwest Wetlands
Wetlands support an incredible diversity of life. Yet they’re in danger: in some states, as much as 90% of wetlands have been destroyed.
Significant Washington Land Returned to the Colville Tribe, Its Original Stewards
In October 2021, the 9,243-acre Figlenski Ranch in Okanogan County was returned to its original stewards, the Confederated Tribes of the Colville Reservation. Here's the remarkable story.
By Owen L. Oliver
Seeking Higher Ground
First-of-its-kind project helps Staten Island residents choose a safer future.
By Kate Frazer