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Canada, Environmental protection, Environmental policy, Government policy, Pollution, Climatic changes, Environmental aspects, Environmental monitoring, Law and legislation, Sustainable development, Acid rain, Canada. Environment Canada, Environmental law, Water, Politique gouvernementale, Air, Ecology, Environnement, Global warming, Chemicals, Conservation of natural resources, Greenhouse gases, Hazardous substances, Maps, Atmospheric ozonePlaces
Canada, Ontario, Great Lakes, British Columbia, Northern Canada, Québec (Province), Yukon Territory, Arctic regions, Atlantic Provinces, Baie James, Canada (Northern), Canada (Western), Colombie-Britannique, Eastern Canada, Fraser River (B.C.), Fraser River Watershed, Gaspé Peninsula, Grands Lacs, Great Lakes (North America), Great Lakes Region, Great Lakes Region (North America), Great Plains, Gulf of Saint Lawrence, James, Baie (Ont. et Québec), Mackenzie River Valley (N.W.T.)ID Numbers
- OLID: OL49425A
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April 1, 2008 | Created by an anonymous user | initial import |