The Idaho National Engineering and Environmental Laboratory manages this program, which explores and develops technology to improve current hydropower resources. Although hydroelectric generation systems produce far fewer harmful emissions than other options, they can have a detrimental effect to downstream water quality. Fish are very susceptible to injury or death from turbine systems. Several...

This latest Topic in Depth delves in the Web's offerings on the history of energy. The first site is maintained by the US Department of Energy, which is called Milestones in the History of Energy and Its Uses (1). From fire to the discovery of nuclear energy, the site gives short descriptions on significant events in the history of energy for each century, events by particular fuel type, events by...