- (AU) Catchments.net
 - Central site for South Australian catchment water management boards. - (AU) River Landscapes
- Managing Australia's river ecosystems.
- America's Most Endangered Rivers of 2003
- Report from the American Rivers organisation detailing ten watersheds at risk.
- Canadian Heritage Rivers System
- Established to give national recognition to the important rivers of Canada, to conserve them and to encourage the public to learn about and appreciate them.
- Geography Action! Rivers 2001
- The National Geographic Society presents river conservation activities and information geared toward the K-12 student.
- Great Canadian Rivers
- Offers information on the history, ecosystem, culture, recreation, and economy of great Canadian rivers from coast to coast.
- Guide to San Francisco Bay Area Creeks
- Creek and watershed information source.
- MBGnet: Rivers and Streams
- General information on watersheds, how a stream becomes a river, and river zones.
- Primary Production In Streams and Rivers
- River morphology and continuous estimation of primary production of phytoplankton, microphytobenthos, or macrophytes in streams and rivers based on diurnal changes of the water oxygen concentration. In English and German.
- RiverNet
- Provides European river-basin-related worldwide information on ecological projects, problems and organisations on rivers.
- Streams
- An introduction from the Gulf of Maine Aquarium.
- UK Rivers Network
- Campaign for river conservation, education, and restoration through community action. Also offers directory of links concerning water pollution.
- USGS WaterWatch
- Map of real-time streamflow compared to historical streamflow for the day of the year for the United States.
- Western Center for Environmental Information
- Provides a summary and listing of streams in the U.S. designated as threatened.
- WWF: The Rivers of Guianas
- Expedition working to protect the biodiversity of the Guianas in the areas of logging and deforestation, poaching, and mercury contamination.
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