Hydroelectric dams are usually major infrastructure projects that costs tens of millions of dollars to construct. But they don’t have to be — you can build your own at home, using LEGO ...

A new study says that many large-scale hydropower projects in Europe and the US have been disastrous for the environment. Dozens of these dams are being removed every year, with many considered ...

The future of Ottumwa’s hydro dam has been in limbo since last September when it was announced that critical repairs were ...