United States

The Nature Conservancy in Maryland / DC

A butterfly with black and indigo tipped yellow wings sips nectar from a yellow and orange flower. Green leaves and yellow and purple blossoms are in the background.
Eastern Tiger Swallowtail An indigenous female Eastern Tiger Swallowtail (Papilio glaucus) on an orange zinnia at Brookside Gardens in Wheaton, Maryland. © Lauren Peeler Brice
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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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A man and a woman sit on a rock outcropping at the edge of the Potomac River. The water flows between a narrow, rocky gorge. Trees grow on top of the rocks lining the river in the background.

Partnerships

Mother Nature: Let's Do This

Dogfish Head co-founders Sam and Mariah Calagione stop in Maryland to learn more about our work during an epic and eco-friendly summer road trip.

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Our Stories

Underwater view of a restored oyster reef. Small clumps of oysters are visible against the murky bottom.

Conservation Update

Meeting Goals for Restoration

A new study provides more evidence that oyster restoration efforts are having the desired impact in Maryland’s tidal rivers.

By Jeremy Cox | Bay Journal | Jul 20, 2021

Two young children crouch next to each other over a small hole in a garden. The tops of their heads are just touching as they each prepare to drop a seed into the hole.

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In the Grow

What you grow and what you leave in your garden can have big impacts on your immediate environment.

Jul 15, 2021

Multiple small bright orange flowers bloom on stems extending from a tall central plant. The blossoms have three lobes with a fringed pistil in the center.

Success

Saving Orchids

Discover the outcome of years of planning, 45 minutes of fire and 9 months of anxious waiting.

By Lucy Sherriff | Gizmodo | Jul 14, 2021

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A snowy egret in flight. A large white bird with a wide wingspan and narrow head flows low over a body of water.

Conservation Update

Highlights

Explore conservation highlights from across Maryland and DC as featured in Nature Conservancy magazine's Summer 2021 issue.

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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.

Blog

Putting Down Roots with Native Plants

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

Dig Deeper
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View of Cranesville Swamp Preserve's boardwalk.

Places We Protect

Connect with Nature

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

Explore
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Group photo of TNC MD/DC staff. A large group of people stand together outdoors in front of a backdrop of trees, 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.