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Anacostia River
Anacostia River Business Coalition, Anacostia Watershed Network, Anacostia Watershed Society, National Resources Defense Council: Cleaning Up th
Botanical Gardens
Friends of the National Arboretum - FONA, Kenilworth Park and Aquatic Gardens, The National Garden, The United States Botanic Garden, United States National Arboretum
Biodiversity Database of the Washington, D.C., Are
Searchable database of information and images. Includes organisms and regional nature and preservation areas in the D.C. area.
Casey Trees Endowment Fund
A project to restore the tree canopy of Washington, DC, administered by the Garden Clubs of America. Includes a review of the street tree inventory carried out in 2002.
DC Department of Health - Environmental Health Adm
Works to prevent and control environmentally related diseases while protecting and preserving the ecological system in the district. Features a guide to the bureaus and divisions that make up the Administration.
DC Greenworks
Non-profit organization supports projects and provides information on low-impact storm water management and urban forestry. Includes information on green roofs, rain gardens, and tree care.
Earthjustice - Washington DC
Focused on ensuring that national clean water and clean air standards are properly set and enforced in the District. Features urgent cases, opportunities for action, legislative information, news and campaigns.
Earthquake History of the District of Columbia
Seismic history of DC from the National Earthquake Information Center.
Environmentors
Committed to helping one hundred public high school students create opportunities for brighter futures through mentorship, educational enrichment, and the fostering of a sense of environmental stewardship.
Flora of the Washington-Baltimore Area
Offers information about flora native to the area. Includes a specimen database, projects, spring flowering records and a gallery.
Floral and Nursery Plants Research Unit
Conducts a broad based program contributing to basic and developmental research and the implementation of new technologies for the florist and nursery industries.
Friends of the Earth DC Environmental Network
A consortium of conservation organizations that meets regularly to focus on environmental problems specific to the region, exchange information, and coordinate strategies. Includes background documents [PDF].
Hardy Palm Trees and Ferns
Showcases plants that can survive the area's often snowy winters.
HowStuffWorks: Exploding Manholes
Information on the frequent mishaps under the streets of the city.
Maryland-National Capital Park and Planning Commis
Acquires, develops, maintains and administers a regional system of parks in Montgomery and Prince George's Counties in Maryland.
Metropolitan Washington Environmental Professional
Local affiliate of the National Association of Environmental Professionals.
National Association of State Energy Officials - D
Works for economic growth, increased energy efficiency and greater reliance on cost-effective clean and renewable energy sources. Features contact information.
Pre-Columbian Society of Washington, DC
Promotes interest in Pre-Columbian cultures through annual symposia, monthly meetings, and a newsletter. Includes newsletter index.
Sustainable Washington Alliance
Network of individuals, businesses, and organizations working to create a sustainable future for the region.
The Nature Conservancy - Maryland/DC Chapter ::
Works to protect critical natural lands. Features places protected, events, news and volunteer opportunities.
Trash Force
Volunteer group that picks up trash and recyclables from public areas every other weekend. Features FAQ, news, awards, volunteer opportunities and articles.
Washington Regional Network For Livable Communitie
Advocates transportation investments, land use policies, and community designs that enhance existing communities and the environment of the region.
Washington, D.C. Natural History Bibliography
Bibliography of books, articles, and other resources on the natural history of Washington, D.C. Compiled by Ryan Shepard.