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"It's about 6% of the electricity in the United States, 15% in China (and climbing), 41% in Switzerland, 80% in Colombia, and 96% in Ethiopia. It"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/clean-technology/is-hydropower-really-a-clean-power-source.html>