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The Nature Conservancy in Delaware

A small yellow bird with a gray cap and black feathers.
Wilson's Warbler (Cardellina pusilla) caught for banding by graduate student Aya Pickett during the Spring 2021 migration at Milford Neck Preserve. © Aya Pickett
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Make a Difference in Delaware

We're working with government agencies, private corporations, conservation organizations and our members to conserve the places on which people and wildlife depend. This has resulted in the conservation of more than 30,000 acres across Delaware since 1990.

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Latest News

The sun sets over Delaware Bay. Low hanging clouds obscure the sun and diffuse soft light over the sky and water’s mirrored surface. Tall clumps of marsh grass stud the water’s edge.

Places We Protect

Explore Your World

Are your thoughts turning to vacation? Explore some of the special places in Delaware that TNC has had a hand in protecting.

May 24, 2022

A group of people stand on the steps of the Delaware capitol building posing for a group photo during policy meetings with state lawmakers.

Alert

Conservation Day Update

The inaugural Conservation Day on May 11 aimed to celebrate land conservation and seek an increase in state open space funding investments.

By Emily Knearl / TNC | May 23, 2022

A butterfly with green wings dotted with brown and white eyes sips nectar from a plant with small clusters of white flowers.

Conservation Update

A Rare Find

The sighting of a Hessels’ hairstreak butterfly is the first on a TNC property in 27 years.

May 22, 2022

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A purple flower and tall grasses line the banks of the Broadkill River. Fluffy white clouds are reflected in the still water.

Conservation Update

Highlights

Explore conservation highlights from Delaware and Pennsylvania as featured in the Summer 2022 Nature Conservancy magazine.

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A bee sits in the center of a yellow flower with thin radiating petals. A second flower grows behind it against a green background.

Conservation Update

PA/DE 2021 Impact Report

2021 was an important year for conservation. There is much to celebrate and much more work to do.

Explore the Impact Report
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Six people pose together during a stream cleanup event. They are holding large black plastic trash bags and carrying long orange grabbers.

Opportunity

Volunteer In Delaware

Learn about opportunities to help conserve nature in Delaware.

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View looking out over a rolling valley bordered by a tall mountain that rises along the horizon. The valley is dotted with open farm fields and stands of trees.

Feature

Our People: Experts in Action

Meet some of the people who are working to create lasting solutions in Pennsylvania, Delaware and around the world.

Our Staff
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A man wearing a blue mask stands in knee deep water at the edge of a forest trail. A woman wearing a mask stands on the slightly higher dry ground holding a clipboard.

Places We Protect

With your help, The Nature Conservancy has protected more than 30,000 acres in Delaware since 1990. We own more than 5,000 acres across six preserves.

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