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.
   http://www.friendsofmd.org/

Blackwater National Wildlife Refuge
   A major stop on the Atlantic Flyway located on the Eastern Shore of Maryland. Offers visitor information, history, ecosystem information, photos of animals, and an online gallery.
   http://www.friendsofblackwater.org/

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
   http://www.cbec-wtna.org/

Chesapeake Bay Observing System
   Includes water temperature, currents, and salinity.
   http://www.cbos.org/

Chesapeake Bay Program
   Chesapeake Bay and its ecosystem. Scientific data, environmental indicators, educational resources, and public information.
   http://www.chesapeakebay.net/

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.
   http://www.discoveryvillage.net/

Home and Garden Information Center
   Includes garden tips, home horticulture resources, and fact sheets. Produced by the University of Maryland Cooperative Extension Program.
   http://www.hgic.umd.edu/

Horticultural Society of Maryland
   A not-for-profit membership organization that provides education for all people in the field of horticultural arts and sciences and provides for the exchange of ideas among gardening enthusiasts. Workshops, lectures, trips and contacts are featured.
   http://www.horticulturemd.org/

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.
   http://www.explorenature.org/

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.
   http://www.malpf.info/

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.
   http://www.marylandagriculture.com

Maryland Alliance for Greenway Improvement and Conservation (MAGIC)
   Works to improve wildlife habitat, provide connecting wildlife corridors, protect forests, and keep streams and water supplies pure. Maps, articles, and photos.
   http://www.magicalliance.org

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.
   http://www.marylandconservationcouncil.net/

Maryland Cooperative Extension Entomology
   integrated pest management, pesticide education and assessment programs, agriculture, green industry, ornamental plants
   http://pest.umd.edu/

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.
   http://www.mdp.state.md.us/smartintro.htm

Maryland ECO System (Environmental Citizens On-line)
   A collaborative effort among environmental organizations throughout Maryland to educate and mobilize their memberships. Includes current and past advocacy campaigns.
   http://actionnetwork.org/maryland_eco_system/home.html

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 w
   http://mdforests.org/

Maryland Geological Survey
   Programs, news, and publications. Includes maps and a discussion of some landscape features.
   http://www.mgs.md.gov/

Maryland Native Plant Society
   Dedicated to protecting, conserving, and restoring Maryland's native plants and habitats. Meetings, upcoming events and local restoration projects.
   http://www.mdflora.org/

Maryland Ornithological Society
   promotes the study and enjoyment of birds. Birding activities, publications, and programs are available to members through the state organization or a local chapter.
   http://www.MDBirds.org/

Maryland State Parks and Forests
   The Maryland Department of Natural Resources offers affordable and wholesome recreational opportunities statewide at state parks and forests.
   http://www.dnr.state.md.us/publiclands/

Maryland-National Capital Park and Planning Commission
   Acquires, develops, maintains and administers a regional system of parks in Montgomery and Prince George's Counties in Maryland.
   http://www.mncppc.org/

Piney Orchard Nature Preserve
   100 acre preserve located in a planned community near Odenton, Maryland. Species list, hiking trail information, bird habitat protection project, and news and events.
   http://home.comcast.net/~ponpweb/

Students for Environmental Action
   a student run environmental group at the Johns Hopkins University in Baltimore, MD.
   http://www.jhu.edu/~sea/

The Alice Ferguson Foundation/Hard Bargain Farm
   Fosters environmental responsibility and enhances the historic legacy and rural character of Hard Bargain Farm by sharing the wonder and excitement of exploring a working farm, woods and wetlands on the Potomac shoreline.
   http://fergusonfoundation.org/

The Chesapeake Bay Trust
   Nonprofit organization that provides financial support grants to civic and community organizations, schools and volunteer groups for Chesapeake Bay restoration and education projects in Maryland.
   http://www.chesapeakebaytrust.org/

Trash Force
   Volunteer group in the Washington, D.C. area that picks up trash and recyclables from public areas every other weekend.
   http://home.sprynet.com/~pnahay/tforce.htm

Washington Suburban Sanitary Commission
   Montgomery and Prince George County water/sewer agency, also concerned with the promulgation and enforcement of plumbing and gasfitting regulations in suburban Maryland, and the development and maintenance of storm drainage facilities within its boundarie
   http://www.wssc.dst.md.us/

Wildlife Conservation Enforcement Find
   Dedicated to protection of Maryland's wildlife and fisheries through direct support of field-level conservation officers charged with protection of these resources.
   http://www.mdwildlifeprotection.org/