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 forested area of the Great Cypress Swamp. A fallen log creates a physical and visual division between the open grassy area in the foreground and the low scrubby trees in the background.

Conservation Update

Restoration and Partnership

A healthy Chesapeake Bay is in our grasp thanks to strong relationships and partners working together to restore wetlands and floodplains at a meaningful scale.

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Our Stories

A young girl crouches down next to a tall leafy plant to take a photo with her cell phone.

Blog

City Nature Challenge

Join us in metro DC for the City Nature Challenge! Discover and document the biodiversity of our urban spaces.

By Deborah Barber | Last updated Mar 03, 2021

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.

Project Overview

Flooding The Swamp

Reversing a legacy of ditching and draining to reconnect the Pocomoke River to its floodplain wetlands.

By Severn Smith | Last updated Mar 18, 2021

Low intensity fire moves up a wooded slope as seven members of a TNC crew monitor the fire line during a controlled burn.

Program Overview

Working with Fire

Returning fire to the landscape through controlled burns to keep Maryland's forests and wetlands healthy.

Last updated Mar 25, 2021

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Cropped view of a man shucking an oyster. He is wearing orange overalls. A large oyster tattoo is visible on his bicep.

Conservation Update

Highlights

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

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Two men unload wooden bushel baskets full of fresh farmed oysters from a large white panel truck. The baskets are stacked on a dock next to the water.

Partnerships

Oyster Aquaculture and Restoration

We're working with partners to give a boost to Maryland oyster farmers hit hard by the Covid-19 pandemic.

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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.

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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.