In terms of water infrastructure, hydropower development is not a major option in most developed countries, because most of the economic sites have already been developed or are in the process of being developed. In developing countries, strong opposition from social and environmental activists has hindered hydropower development, despite their overall benefits to the society as a whole.
The global energy demands will continue to increase in the future, and with them the search for cost-effective alternatives to meet them. The importance of hydropower for electricity generation should not be underestimated, since it is a renewable source of energy and, as such, an alternative for a cleaner environment.
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