http://www.ucsusa.org/clean_energy/o...ric-power.html 0.1 and 0.5 hydroelectric power environmental issues associated with hydroelectric dams disrupt local ecosystems inundan territorios indígenas Ucsusa- EIHP big effect alter the quality of the water Environmental Impacts of Hydroelectric Power dams that flood indigenous territories run the risk Environmental Impacts of Hydroelectric Power Environmental Impacts of Hydroelectric Power Union of Concerned Scientists comunidade científica Ucsusa- EIHP Environmental Impacts of Hydroelectric Power Environmental Impacts of Hydroelectric Power manipulate waterways Environmental Impacts of Hydroelectric Power environmental impact Environmental Impacts of Hydroelectric Power significant source of greenhouse gases concern Environmental Impacts of Hydroelectric Power Environmental Impacts of Hydroelectric Power Ucsusa- EIHP notes on its website