Nuclear power poses complex problems. Many assert that nuclear power is free of greenhouse gas emissions. Yet, how does nuclear reach that green state?

Critics, however, say that painting nuclear power as free of greenhouse gas emissions is misleading, because it considers only plant operation. If the entire fuel cycle, from mining through processing, is considered, nuclear energy's carbon footprint increases significantly.

That is one question among many. A 22 March 2011 article in the Catholic Sun raised more.