A plan to restore fish passage in the Blackstone River still faces obstacles over funding and questions over working with ...

From the moment French inventor Pierre-Simon Girard filed the first patent to capture wave motion in 1799, engineers have dreamt of lighting ...

Time, gravity, and water conspire in quiet collaboration, and their agent of change is sediment. Carried by every river on ...

Ethiopia’s prime minister said Thursday that a controversial power dam on the Nile is now complete, a major milestone for his country amid a dispute with Egypt over ...