Earthquake Risk

The decision by PG&E to mothball the last operating nuclear reactors in California has some people cheering—and other pounding their fists. On Significant Figures, Peter Gleick writes that the closure of Diablo Canyon Nuclear Plant "rankles those who see all non-carbon energy sources as critical in the fight against the real threat of climate change." Yet Gleick argues that with the pitfalls of nuclear energy and the high costs of retrofitting the plant, it is appropriate to shut it down and focus on developing wind and solar capacity. Meanwhile, Greg Laden considers the risk a major…