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.
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.
DC Nature - Photo galleries of DC area wildlife created by a local group of nature photographers.
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 Urban Gardeners - Nonprofit volunteer organization. Has information on gardening, community gardens, clubs and groups.
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 related sites.
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].
Green DC - DC government site has information on local environmental issues and government programs.
Pre-Columbian Society of Washington, DC - Promotes interest in Pre-Columbian cultures through annual symposia, monthly meetings, and a newsletter. Includes newsletter index.
