Anne Arundel Soil Conservation District: Information and resources for environmental conservation practices and projects in Anne Arundel County.
Arlington Echo Outdoor Education Center: Operates environmental enrichment programs for Anne Arundel County public schools and summer camps at Camp Woodlands and West River sites.
SACReD: South Arundel Citizens for Responsible Development is a nonprofit, tax-exempt organization working toward a sustainable South Anne Arundel County community. Find news, history and how you can help.
Severn River Association: Umbrella organization focused on environmental protection. Includes list of member organizations and weekly fecal coliform (water contamination) counts taken at various locations.
Sierra Club, Anne Arundel County Group, Maryland Chapter: Offers a listing of events, happenings, meetings, and services, including donations and volunteering.
The Severn Riverkeeper: Monitors the Severn River by boat and plane. Includes information on programs and resources.