Egypt says Ethiopia dam mustn't reduce Nile's flow

President Mohamed Morsi Monday warned that Egypt would not allow its share of the Nile to be diminished by "one drop" after Ethiopia began diverting the Blue Nile as part of a giant dam project.

Sudan seeks to tap 'blue gold' with new dam projects

Sudan is aggressively seeking to tap its abundant Nile waters with new dam projects as the oil-rich south's independence looms, but experts warn of the social and environmental costs, and the bearing on the Nile water sharing ...

Hydropower dams can harm coastal areas far downstream

Thousands of hydroelectric dams are under construction around the world, mainly in developing countries. These enormous structures are one of the world's largest sources of renewable energy, but they also cause environmental ...

New England's 1816 'Mackerel Year' and climate change today

Hundreds of articles have been written about the largest volcanic eruption in recorded history, at Indonesia's Mt. Tambora just over 200 years ago. But for a small group of New England-based researchers, one more Tambora ...

China aims to build 'Three Gorges of wind power'

China is aiming to build a huge wind farm in the northwest by 2020 that will have energy capacity similar to the gigantic Three Gorges Dam, a senior official said Thursday.

New research questions hydroelectric emissions

Scientists have found that some reservoirs formed by hydroelectric dams emit more greenhouse gases than expected, potentially upsetting the climate-friendly balance of hydroelectric power.

Brazil's Belo Monte dam better than alternatives: study

Brazil's Belo Monte hydroelectric dam in the heart of the Amazon will have fewer environmental effects than fossil-fuel alternatives and will be cheaper than other renewable energy sources, state media said Sunday.

UN study advises caution over dams

(AP) -- A dam-building spree in China poses the greatest threat to the future of the already beleaguered Mekong, one of the world's major rivers and a key source of water for the region, a U.N. report said Thursday.

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