Ultrasound can save fish in hydropower rivers

The phenomenon of gas supersaturation occurs when air enters water-filled hydropower inlets and is then exposed to high pressure. When this water is subsequently released into the river below the hydropower plant, it's almost ...

One in five fish dies from passing hydroelectric turbines

Hydroelectric turbines put fish at risk of severe injury during passage. To support an informed debate on the sustainability of hydropower, reliable data of turbine-induced fish mortality are pivotal. A team of researchers ...

Himalayan hydropower 'clean but risky,' warn scientists

With its steep topography and abundant water resources the Himalayas offer sustainable, low-carbon hydropower for energy-hungry South Asia. But there is a catch—the mountain range falls in one of the world's most seismically ...

Storing more water could solve Brazil's energy and food crisis

Large reservoirs in Southeastern Brazil can double river flow if the reservoirs are full, compared with empty reservoirs, according to a new study published in the journal Energy, from researchers at the International Institute ...

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