From the article...According to the World Resources Institute - TopicsExpress



          

From the article...According to the World Resources Institute (WRI) many, if not most of the worlds rivers are stressed. Determining a systems water stress is based upon measuring the ratio of total water withdrawals to the available renewable supplies within the catchment area...In addition to water volume removal resulting from over development, rivers are also increasingly faced with nutrient and chemical pollution, flooding and droughts, and human engineered adjustments further exacerbating the crisis mounting in our watersheds.
Posted on: Tue, 25 Mar 2014 12:24:22 +0000

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