May 31 (UPI) --When it comes to repairing the tallest dam in America, sometimes it helps to shrink the problem to a more manageable size. That's why California water officials are relying on a scale ...

In the University’s St. Anthony Falls Laboratory lies a 30-foot scale model of Washington’s Elwha River. The mini river, built of wood, sand, concrete and Mississippi River water, flows to its dam as ...

A new report warns of the potential for major negative impacts on fish and fish habitat caused by large hydroelectric dams, like that currently under evaluation through the Next Generation Hydro ...