"For many developing countries hungry for energy sources, hydropower is an attractive option. But dams also can place heavy burdens on surrounding populations and eco-systems. While China touts its Three Gorges dam - the world's largest - as environmentally friendly, the United States has begun tearing down a number of its own structures for safety, economic, and environmental reasons. To broaden your knowledge of dams around the world, explore below the economic, environmental, social, and political aspects of five big dam projects in Turkey, Brazil, Laos, Lesotho, and China.
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According to the report - whose 48 pages are each signed by all 10 experts on the panel - the panel noted a number of general concerns about their assessment of the studies submitted by Ethiopia. Most of those studies were completed after the project started. Moreover, environmental and social studies have not been able to demonstrate the dam's impact on the downstream countries, Egypt and Sudan.