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Duwamish River Cleanup Coalition
An alliance of community, environmental and small business groups working to ensure cleanup plans for the Duwamish River are acceptable to the community and is protective of fish, wildlife and human health. Site provides background information, news, fact sheets, photo tour and contact information in english and spanish.

Environmental Coalition of South Seattle
A non-profit organization working with Puget Sound businesses and neighborhoods for a clean, environmentally responsible community. ECOSS provides environmentally oriented education, technical resources and other services. Site provides information about the Duwamish corridor, its cleanup, and pollution prevention.

Green / Duwamish Watershed Alliance
The Alliance seeks to 1) foster and encourage stewardship of the watershed; 2) assure effective exchange of information & resources along the watershed; and 3) enable broad-based participation in watershed decision-making processes. Site provides overviews of the river and the group along with contact information.

Lake Wilderness Preservation Association
Read the history of Lake Wilderness, learn about the association, view photo albums of the lake and its wildlife, and look up lake-related events.

Lower Duwamish Waterway Group
Describes the effort by government, community groups and businesses to clean up the Duwamish waterway.

Middle Green River Coalition
Community group that works with government and private landowners to acquire lands for conservation or otherwise protect land from short-sighted damage, to help maintain the character of the Middle Green River for future generations of King County residents.

South King County Rivers Cybertour
Presentation offering historical snapshots of major communities, events, and structures along the Green, White, and Black Rivers, which have undergone major engineered changes since the arrival of King County's first white settlers in 1851. Provied by HistoryLink.

Sustainable West Seattle
Educates and advocates for urban sustainability in West Seattle, including the Duwamish River.

Tacoma Water - Green River Watershed
Learn about the City of Tacoma's water supply from the upper reaches of the Green River from Howard Hansen Dam.