to nuclear decommissioning , nuclear power is not a low-carbon electricity source. [ 103 ] [ 104 ] [ 105 ] Arguments of economics and safety are used by both sides of the debate. Footnotes ^ (PDF) Key World Energy Statistics 2007 . International Energy Agency . 2007 . http://www.iea.org/textbase/nppdf/free/2007/key_stats_2007.pdf .