Glinting in the sun by the world's biggest nuclear plant, the Sea of Japan is calm now. But as the huge facility gears up to restart, Kashiwazaki-Kariwa has a new tsunami wall, just in case.
Japan pulled the plug on nuclear power after the 2011 Fukushima disaster, but with the G7's dirtiest energy mix, it is seeking to cut emissions, and atomic energy is making a steady comeback, in part because of AI.
