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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

Preserving Nature in Delawre

Since 1990, TNC has worked with government agencies, private corporations, conservation organizations and our members in Delaware to protect the places on which people and wildlife depend.

Stories in Delaware

A person stands with a camera in hand taking a photo of a forest with yellow, orange, and red colored leaves and shrubs

Great Escapes

If you’re looking for an opportunity to get outside and explore nature, look no further than The Nature Conservancy’s public preserves in PA.

A fire burns over a field and up two pine trees as grey smoke fills the sky.

The Power of Fire: A Critical Resource for Resilient Lands

Fire fuels the health and productivity of many Pennsylvania and Delaware landscapes. Learn how TNC is returning this natural process to the landscape.

A close-up photo of a person looking at the camera through binoculars.

Taking a Restoration Road Trip

Learn about various preserves, projects and happenings across PA & DE.

Close up view of a pile of garbage. Discarded cans, glass bottles and plastic milk jugs and soda bottles are scattered across a thick pile of sticks, logs and broken wood.

Eight Ways to Reduce Waste

Eight Ways You Can Reduce Waste In Your Life and Home

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Upcoming Events

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More from Delaware

Learn more about our team and TNC's work across Delaware

Our Staff: Experts in Action

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

Contact Us

Contact our team of 50+ staff members dedicated to making a difference in Delaware.

Volunteer With Us

There is more than one way to volunteer for TNC in Delaware. Find upcoming events and ongoing volunteer opportunities.

Latest Newsletter

Download our latest newsletter featured in the Fall 2023 Nature Conservancy magazine.

Keep Learning

Explore our publications and watch highlights from our presentations and webinars.

A yellow bird with black markings on its wings and head sits on a brown plant.
Goldfinch A Goldfinch at Bombay Hook National Wildlife Refuge © Deb Felmey

Conservation Update

PA/DE 2023 Impact Report

2023 was an important year for conservation. Explore some of our projects, events and conservation wins that took place.

Explore the Impact Report
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A sun sets over a body of water creating an orange reflection.
Milford Neck Preserve View of the marsh at the preserve along the Delaware Bay. June 2020. © John Hinkson / TNC

Places We Protect

Places We Protect

From forests to the coastline, explore our nature preserves across the state of Delaware.

Find a Preserve Near You
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A river flowing surrounded by lush greenery.
Milford Neck Preserve A view of the Delaware Bay from our Milford Neck Preserve © John Hinkson/TNC