| 1000 Friends of Maryland | | A coalition of businesses, community and environmental groups dedicated to preserving what is best about Maryland and to encourage sensible growth. Purpose, news and events, and platform. |
| Audubon Society of Central Maryland | | Protecting and restoring birds, other wildlife and their habitats through education and action. Find programs, field trips, sanctuaries, newsletter and membership information. |
| Chesapeake Bay Environmental Center | | The Wildfowl Trust of North America is a private non-profit organization dedicated to conservation and stewardship of Chesapeake wildfowl and wetlands through education and research. The 500 acre preserve located near the Chesapeake Bay Bridge on Maryland's Eastern Shore offers trails, a visitor center, and a wild bird care facility. |
| Chesapeake Bay Program | | Chesapeake Bay and its ecosystem. Scientific data, environmental indicators, educational resources, and public information. |
| Discovery Village | | Located in Shady Side, Maryland on an 8-acre peninsula nestled in the West River. Provides opportunities for schoolchildren to learn about the eco-system of the Chesapeake Bay and participate in hands-on experiments. |
| Home and Garden Information Center | | Includes garden tips, home horticulture resources, and fact sheets. Produced by the University of Maryland Cooperative Extension Program. |
| Irvine Natural Science Center | | A non-profit environmental education organization whose mission is to inspire appreciation and respect for the natural world, and to increase awareness of environmental issues. |
| Maryland Agricultural Land Preservation Foundation | | Aims to preserve sufficient agricultural land to maintain a viable local base of food and fiber production for the present and future citizens of Maryland. Includes details of initiatives, legal fact sheets, meetings and task forces. |
| Maryland Agriculture on the Web | | Definitive site for linking people interested in Maryland agriculture on the web. Includes farms, suppliers, lenders, organizations, educational institutions, and government agencies. |
| Maryland Conservation Council | | An environmental coalition which brings together organizations throughout the state to create a strong voice for the environment and to coordinate effective action by citizens with knowledge, expertise, and energy. |
| Maryland Department of Planning - Smart Growth | | Initiatives that aim to direct State resources to revitalize older developed areas, preserve some of Maryland's valuable resource and open space lands, and discourage the continuation of sprawling development into rural areas. |
| Maryland Environmental Service | | An independent state agency that aims to protect and enhance the states air, land and water resources. Feature details of projects statewide. |
| Maryland Forests Association | | a non-profit organization for forest landowners, foresters and other natural resource professionals, hunt clubs and recreational groups, logging and trucking companies, the forest products industry, related businesses and individuals concerned about the wise-use of forest resources. |
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