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The Nature Conservancy in Maryland / DC

Delicate pink and white flowers bloom on the end of slender branches at a TNC preserve.
Spring Flowers Rhododendron in bloom at Oxbow Nature Preserve. © Matt Kane / TNC

Make a Difference in Maryland and DC

From Western Maryland's Central Appalachian forests to our nation's capital and beyond to the Chesapeake Bay, we're working on the ground to deliver large-scale, science-based conservation projects that will help people and nature adapt to a changing climate.

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Our Stories

A man sits on a high-backed wooden bench reading a book in a green space encircled by trees.

Mount Olivet Cemetery

Explore a historic cemetery reimagined as an urban arboretum, green space and demonstration site for many important conservation practices.

Aerial view of the Pocomoke River. The narrow river channel is bisected in two places by wide cuts in the earthen berms that hem the river in and hold it back from the surrounding forested floodplain.

Freeing a Trapped River

Celebrating 10 years of restoration, partnership and the largest ecological restoration in Maryland’s history.

By Severn Smith | Last updated Jun 04, 2023

Watercolor illustration showing a backyard garden of native plants. A brown butterfly sits on a yellow flower in the left foreground. A ruby-throated hummingbird hovers next to a flower on the right.

Putting Down Roots with Native Plants

Our garden guide will help you choose plants native to the mid-Atlantic region, supporting pollinators and biodiversity.

By Ellen Beth Gorman | Last updated Apr 30, 2023

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Candid headshot of Tim Purinton standing in front of the Potomac River at the Potomac Gorge.
Tim Purinton Executive Director © Severn Smith / TNC

Conservation Update

Highlights

Explore conservation highlights from across Maryland and DC as featured in Nature Conservancy magazine's Summer 2023 issue.

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Aerial view of a small coastal community. A four-lane divided road runs through the center of the downtown commercial area surrounded on three sides by the waters and marshes of the Chesapeake Bay.

Video

Assessing Nature's Role in Resilience

Learn how TNC and partners are working together to understand how nature can help protect coastal communities from storm and flood impacts as sea levels rise. (4:16)

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A wide, low wooden boardwalk cuts a path through tall marsh grasses, ending in an overlook point at Cranesville Swamp Preserve. Gray clouds hang low in the sky over a mountain ridge on the horizon.
Cranesville boardwalk The boardwalk at Maryland's Cranesville Preserve. © Kent Mason

Places We Protect

Connect with Nature

Experience and enjoy TNC's public preserves in Maryland and DC.

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Upcoming Events

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More Volunteer Opportunities

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Group photo of TNC MD/DC staff. A large group of people stand together outdoors in front of a red barn, smiling during the chapter's annual staff retreat.

Feature

Our Staff

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

Our Staff
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Conservation in Maryland and Washington, DC

Learn more about our conservation efforts across the region and ways that you can connect with nature.