In his 2009 book, The Solar Century, Leggett is critical of nuclear power, saying that it cannot come online quickly enough to mitigate climate change; that the nuclear industry still hasn't found a way to deal with its radioactive wastes; and that investing in nuclear power would mean less money for other initiatives involving energy conservation, energy efficiency, and renewable energy.
In his 2009 book, The Solar Century, Leggett expresses skepticism about nuclear power, stating that it cannot be rapidly deployed to combat climate change; the nuclear industry has not yet found a way to handle its radioactive waste; and investing in nuclear power would mean less financial support for other energy-saving initiatives.