Conservation Organizations & Nature Education Centers
Local Conservation Organizations
- Bird City Maryland
- City Wildlife (District of Columbia)
- Chesapeake Ecology Center
- DC Bird Alliance (formerly the Audubon Society of the District of Columbia)
- Greater Baltimore Wilderness Coalition
- Lights Out Baltimore
- Lights Out DC
- Maryland Bird Conservation Partnership
- Maryland Native Plant Society
- Maryland Biodiversity Project
- Maryland Coastal Bays Program
- Nature Forward (formerly the Audubon Naturalist Society)
- Safe Skies Maryland
- Susquehannock Wildlife Society
Audubon Chapters and Independent Organizations
- Audubon Mid-Atlantic
- Audubon Society of Central Maryland
- Chesapeake Audubon Society
- Prince George’s Audubon Society
- Southern Maryland Audubon Society
Riverkeepers and Watershed Societies
- Anacostia Riverkeeper (DC and Prince George’s County)
- Anacostia Watershed Society (DC and Prince George’s County)
- Arundel Rivers Federation (South, West, and Rhode Rivers) (Anne Arundel County)
- Assateague Coastkeeper | Assateague Coastal Trust (Worcester County)
- Back River Restoration Committee (Baltimore County)
- Bird River Restoration Campaign (Harford County)
- Blue Water Baltimore (Baltimore City and County)
- Chester Riverkeeper | ShoreRivers
- Choose Clean Water Coalition (statewide)
- Choptank Riverkeeper | ShoreRivers (Eastern Shore)
- Elk and NorthEast Rivers Watershed Association (Cecil County)
- Gunpowder Riverkeeper (Baltimore & Harford Counties)
- Gunpowder Valley Conservancy (Baltimore & Harford Counties)
- Lower Susquehanna Riverkeeper (Harford & Cecil Counties)
- Mattawoman Watershed Society (Prince George’s & Charles Counties)
- Miles – Wye Riverkeeper | ShoreRivers (Eastern Shore)
- Patapsco Heritage Greenway (Frederick, Howard, Montgomery, Carroll, Baltimore, Anne Arundel Counties & Baltimore City)
- Patuxent Riverkeeper (Montgomery, Howard, Prince George’s, Anne Arundel, Calvert, and St. Mary’s Counties)
- Potomac Riverkeeper Network (Garrett, Allegany, Washington, Frederick, Montgomery, Prince George’s, Charles, St. Mary’s Counties & DC and also Virginia and West Virginia)
- Sassafras Riverkeeper | ShoreRivers (Eastern Shore)
- Severn Riverkeeper (Anne Arundel County)
- ShoreRivers (Chester, Choptank, Miles-Wye, & Sassafras Rivers (Eastern Shore)
- Waterkeepers Chesapeake
Chesapeake Bay
- Alliance for the Chesapeake Bay
- Bay Journal
- Chesapeake Conservancy
- Chesapeake Bay Foundation
- Chesapeake Bay Program
- Chesapeake Bay Trust
- Forests for the Bay
National and International Conservation Organizations
- American Bird Conservancy
- Bird City Network
- Ducks Unlimited
- Environment for the Americas
- Izaak Walton League
- National Audubon Society
- National Parks Conservation Association
- National Wildlife Federation
- The Nature Conservancy
- USDA Natural Resources Conservation Service – Maryland
Nature Education and Nature Centers (Parentheses show county or city where each is located; this does not imply that these centers are owned and managed by the county, although some are.)
- Arlington Echo Outdoor Education Center (Anne Arundel County)
- Battle Creek Cypress Swamp (Calvert County)
- Black Hill Nature Programs (Montgomery County)
- Brookside Nature Center (Montgomery County)
- Carrie Murray Nature Center (Baltimore City)
- Charlotte’s Quest Nature Center (Carroll County)
- Clearwater Nature Center (Prince George’s County)
- Cromwell Valley Park (Baltimore City)
- Croydon Creek Nature Center (Montgomery County)
- Cylburn Arboretum Nature Camp (Baltimore City)
- Deep Creek Lake Discovery Center (Garrett County)
- Eden Mill Nature Center (Harford County)
- Fair Hill Nature Center (Cecil County)
- Fountain Rock Park & Nature Center (Frederick County)
- Hard Bargain Farm Environmental Center (Prince George’s County)
- Harford Glen Environmental Education Center (Harford County)
- Hashawa Environmental Center & Bear Branch Nature Center (Carroll County)
- Hazel Outdoor Discovery Center (Wicomico County)
- Howard County Conservancy (Howard County)
- Irvine Nature Center (Baltimore County)
- Jug Bay Wetlands Sanctuary (Anne Arundel County)
- Locust Grove Nature Center (Montgomery County)
- Marshlands Nature Center at Point Lookout State Park (St. Mary’s County)
- Marshy Point Nature Center (Baltimore County)
- Maryland Association for Environmental and Outdoor Education (Statewide)
- Masonville Cove Environmental Education Center (Baltimore City)
- Maydale Conservation Park (Montgomery County)
- Meadowside Nature Center (Montgomery County)
- Merkle Wildlife Sanctuary and Visitor’s Center (Prince George’s County)
- Mt. Aetna Camp and Retreat Center (Washington County)
- Mt. Rainier Nature Center (Prince George’s County)
- Nanjemoy Creek Environmental Education Center (Charles County)
- Natural History Society of Maryland (Baltimore County)
- New Germany State Park (Garrett County)
- Oregon Ridge Nature Center (Baltimore County)
- Patterson Park Audubon Center (Baltimore City)
- Patuxent Research Refuge – National Wildlife Visitor Center (Prince George’s County)
- Phillips Wharf Environmental Center (Talbot County)
- Pickering Creek Audubon Center (Talbot County)
- Piney Run Nature Center (Carroll County)
- Robinson Nature Center (Howard County)
- Watkins Nature Center (Prince George’s County)
- Woodend Nature Sanctuary (Montgomery County)
Land Trusts and Conservancies
- American Chestnut Land Trust (Calvert County)
- Baltimore Green Space (Baltimore City)
- Burkittsville Preservation Association (Frederick County)
- Carroll County Land Trust
- Cecil Land Trust
- Charm City Land Trusts (Baltimore City)
- Chesapeake Conservancy
- Conservancy for Charles County
- Eastern Shore Land Conservancy
- Greater Sandy Springs Green Space (Montgomery County)
- Gunpowder Valley Conservancy (Harford & Baltimore Counties)
- Harford Land Trust
- Howard County Conservancy
- Land Preservation Trust (Baltimore County)
- Long Green Land Trust (Baltimore County)
- Lower Shore Land Trust (Worcester, Wicomico, & Somerset Counties)
- Maryland Environmental Trust
- NeighborSpace of Baltimore County
- Patuxent Tidewater Land Trust (St. Mary’s County)
- Potomac Conservancy (Garrett, Allegany, Washington, Frederick, Montgomery, Prince George’s, Charles, St. Mary’s Counties & DC and also Virginia and West Virginia)
- Scenic Rivers Land Trust (Anne Arundel County)
- Severn River Association (Anne Arundel County)
- Severn River Commission (Anne Arundel County)
- Southern Calvert Land Trust
- Spa Creek Conservancy (Anne Arundel County)
- The Conservancy of Broad Creek (Prince George’s County)
- The Manor Conservancy (Baltimore County)
- Weems Creek Conservancy (Anne Arundel County)
Environmental Research Organizations and Projects
- Maryland Sea Grant
- National Estuarine Research Reserve – Chesapeake Bay, Maryland
- Smithsonian Environmental Research Center
- University of Maryland Center for Environmental Science
- USGS Eastern Ecological Science Center at Patuxent [formerly Patuxent Wildlife Research Center (PWRC)]
- Washington College River and Field Campus