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 ...

These micro-hydro systems have small environmental footprints ... conflict over planned mega hydroelectric dams, and an NGO that helps communities build and maintain micro-hydro systems says ...

the Brazilian government has announced that the era of building big hydroelectric dams in the Amazon basin, long criticized by environmentalists and indigenous groups, is ending. “We are not ...

within a short span of 50 km (31 miles), offering huge hydropower potential as well as unique engineering challenges. The outlay for building the dam, including engineering costs, is also expected ...