Alternative Power: Hydroelectric Potential

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Image by Ontario Power Generation

When it comes to large-scale alternative power, hydroelectric plants are currently the most common – supplying more than 80% of the word’s renewable energy.  While hydro power is much cleaner and more cost-efficient than the generation of electricity using fossil fuels, there are a number of disadvantages including the threat of dam failures, disturbance to the natural environment, and some greenhouse gas emissions.

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