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The Nature Conservancy in Delaware

Several horseshoe crabs pile on top of one another in shallow water.
Pileup Native horseshoe crabs along the bay at Slaughter Beach, Delaware. © Deb Felmey
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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 in the center of the bay creating an a yellow reflection in the water while several shore birds fly across the horizon.

Program Overview

Delaware Oceans and Coasts

Learn how we are working with partners in the Bayshore landscape to advance research and policy for coastal resilience.

Feb 28, 2023

View of a placid body of water under an orange sunset.

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 22, 2022

Closeup of a butterfly with green wings flecked with white sitting on small 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 20, 2022

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Sunlight shines through a branch thick with several bright green oak leaves.

Conservation Update

PA/DE 2022 Impact Report

2022 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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A small brown and white bird stands in a marsh next to a juvenile grey and brown bird.

Conservation Update

Highlights

Explore conservation highlights from Delaware and Pennsylvania as featured in the Spring 2023 Nature Conservancy magazine.

Download Publications & Videos
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Several tall, skinny, and healthy trees grow in a forest.

Conservation Update

Take a Restoration Road Trip

To celebrate our recently completed and ongoing restoration projects, we’re taking a restoration “road trip” across DE & PA to see how restoration improves the lives and well-being of both people and nature.

Start Your Trip
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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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