As energy costs rise, more Americans are turning to bioenergy to provide power to their homes and workplaces. Bioenergy is renewable energy made from organic sources, such as biomass.
Power plants, whether nuclear or coal-fired, produced a lot of electrical energy. Although keeping millions of homes lit and warm is no small task, these facilities are actually wasting more energy than they create.
A US power plant was recently hit by a virus thanks to an infected USB stick, a report from the Department of Homeland Security has revealed.
The introduction of the Clean Air Interstate Rule in 2005 has led to a big reduction in pollution from eastern US coal power plants, data from NASA's Aura satellite shows.