The power industry is facing a nuclear power dilemma, according to a report published by The Union of Concerned Scientists. UCS assessed the economic viability and performance of nuclear power plants operating in the United States and concluded that the retirement of these plants will likely result in the adoption of coal and natural gas for baseload power generation, two energy sources that contribute to carbon dioxide emissions.![](http://feeds.feedburner.com/~r/EnergyEfficiencyRssFeed/~4/C32QChvFeKo)