Let’s Get The Snake River Moving Again

Reader Contribution by Darlene May Lee and Earth Law Center
Published on December 21, 2017
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I remember learning in school that the earliest peoples preferred to live near rivers if possible – which took care of food and fresh water, transport, and useful materials like reeds. What I didn’t know was how much river health suffers because of dams. I always thought of them as engineering marvels – proof of human engineering ingenuity.

Well it turns out we have gotten a bit carried away building them. Did you know there are over 800,000 dams in the world? [1] For rivers that need to flow and species that need to migrate – that’s a bit of a disaster. Cold, flowing water becomes warm and stagnant when trapped behind a barrier.

The world has lost about 80% of freshwater fish populations since 1970, which is when dams started going up everywhere. Coincidence? Not according to the science. [2

The good news is, dams are starting to come down. In the US alone, 1000 dams have been removed to date. [3]This is good news, the costs of dams seem to outweigh the benefits in many cases. Dams can erode riverbanks, cause water logging on nearby land and increase the proportion of salt in river water. The warm, stagnant water also encourages the spread of parasitic diseases, notably malaria and schistosomiasis, and robs river creatures of their natural habitats.  

The Nez Perce certainly think it is time for a change

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