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The Task Force to Bring Back the Don was a citizen advisory committee that advised Toronto city council on issues concerning the Don River and its watershed. It consisted of up to 20 citizen members and 3 council members. It was formed in 1989 and disestablished in 2010. ==History== On September 7, 1989, city council established the ''Interim Task Force on the Don River Clean-Up'' (). The impetus for the creation of the Task Force was a public meeting held 5 months earlier on April 1, 1989 at the Ontario Science Centre attended by about 500 people who were interested in cleaning up the Don. At the time the Don River was seriously neglected and polluted. At the same time, an article entitled ''Rebirth of a River'' was published in the Globe and Mail that detailed the current state of the river and its issues and challenges (). In 1991, the Task Force published a book entitled ''Bringing Back the Don''. The book detailed visions for restoration of the Don and potential methods for doing so. In addition to the advisory committee, the Task Force sponsors restoration projects. These include tree plantings and wetland restoration. In 1996 the Task Force initiated a major wetland restoration project. Initially called the ''Demonstration Wetland'', it was later renamed as Chester Springs Marsh. Two basins were excavated adjacent to the river and these periodically flood with river water (). Since 1996, the Task Force has either created or enhanced four more wetlands in the Don Valley and another three in nearby tributary ravines (). The Task Force has advised the city on several environment related issues including the sewer use bylaw (), road salt reduction, snow dump sites, the Wet Weather Flow Master Plan (), and flood protection of the lower Don (). Currently the main focus is the creation of a naturalized mouth for the Don River. It currently empties into a concrete lined harbour waterway called the Keating Channel. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Task Force to Bring Back the Don」の詳細全文を読む スポンサード リンク
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