Japan’s nuclear sun to set?

A week can be a long time in politics, so today’s announcement by the Japanese government that it intends to phase out its 50 remaining nuclear reactors by around the 2030s is perhaps much less of a certainty than it might at first appear. Under the plan, existing reactors would be phased out when they reach 40 years of age so causing a gradual fall in nuclear’s share of electricity generation in Japan, as no new reactors are built to replace them