» Audubon Naturalist Society
Independent conservation organization serving the Washington D.C. metropolitan region. Find programs, classes, current issues, news, and information about sanctuaries in Maryland and Virginia.
» Bushmeat Crisis Task Force
Headquarters for consortium of conservation organizations and scientists dedicated to the conservation of wildlife populations threatened by commercial hunting of wildlife for sale as meat.
» Capital River Relief
Coaltion of organizations and individuals focused on cleaning up the Anacostia and Potomac Rivers. Features cleanup schedule, photo gallery, press kit, and FAQs.
» 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.
» Cool Capital Challenge
A voluntary program to reduce the DC area's carbon dioxide emissions. Has a carbon footprint calculator, tips, news and resources.
» D.C. Science Writers Association
An organization of science writers and editors from nearly all the major news outlets in the Washington area that meets monthly for tours, symposia, and professional development.
» DC Department of Health - Environmental Health Administration
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.
» District Department of the Environment
Promotes energy efficiency through conservation, education, and fuel assistance programs and by regulatory intervention. Includes consumer information, a description of agency programs, a guide to resources in its library, an events calendar, and links to
» 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.
» 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].
» Pre-Columbian Society of Washington, DC
Promotes interest in Pre-Columbian cultures through annual symposia, monthly meetings, and a newsletter. Includes newsletter index.