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"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. "

China has 20% of the world's population but only 7% of its fresh water

China is planning to build 59 reservoirs to collect water from its shrinking glaciers as the cost of climate change hits home in the world's most populous country.

As the world's population increases, temperature rise and societies develop, will water become the "credit crunch" of tomorrow?

HARGEISA, 15 June 2009 (IRIN) - Urbanisation and rural-urban migration could soon overwhelm the water supply in Hargeisa, capital of Somalia's self-declared republic of Somaliland, with city officials calling for the construction of a third pipeline to offset increasing shortages.