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United States

Iowa

Bison cow with calf at Broken Kettle Grasslands Preserve.
Terraced fields Rolling bluffs along the Mississippi River near Harpers Ferry, Iowa. © Robert J. Hurt
Trailblazers Prescribed fire plays an important role in maintaining healthy lands. © Casey Struecker/TNC

Trailblazers Academy is back for 2026!

Trailblazers Academy is back! This year’s event will take place May 31 – June 5 at TNC's Broken Kettle Grasslands preserve. Applications close on March 6.

Learn More and Apply

Stories in Iowa

Turtles rest on a log.

5,000 Acres Strong: LOTSWO’s Conservation Milestone

TNC has reached an incredible milestone of more than 5,000 acres protected at Land of the Swamp White Oak Preserve.

Two elephants eating at the Omaha zoo.

When Brush Becomes Breakfast

A partnership between The Nature Conservancy and Omaha’s Henry Doorly Zoo & Aquarium benefits both zoo animals and local grasslands.

Aerial view of a comma-shaped oxbow next to the main channel of a river.

What Is an Oxbow?

Learn how TNC is restoring oxbow wetlands to help wildlife, reduce flooding and improve water quality in Iowa.

Iowa State Capitol building.

Policy Priorities in Iowa

Learn about conservation policy in Iowa and how you can get involved by speaking up for nature.

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Upcoming Events

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Several people hike up a steep green hill toward the camera.
Hikers in the Loess Hills Hikers ascend western Iowa's Loess Hills © Chris Helzer/TNC

See the Places We Protect in Your Community

Our vision for Iowa is healthy lands and water, plus sustainable agriculture that supports biodiversity and provides for the needs of Iowa and the world.

Explore Our Preserves

Support Our Work in Iowa

Since 1963, The Nature Conservancy in Iowa has worked to preserve our state’s natural landscapes through the advancement of land and water conservation. Your support has helped us protect more than 20,000 acres, and we’ve still got a lot of work to do. Your donation will make a difference. We can’t save nature without you.

Donate to Iowa Why donate to TNC?