Or not. Gazillions of jellyfish are swarming around nukes in Japan, Israel and Scotland. They've forced 3 nukes to shut down. Any large industrial facility that uses ocean water in volume is at risk of filter overwhelm, including desalinization plants and coastal power plants. They're cleaning up Jellyfish in droves from beaches in Lebanon to keep tourism going. In Savanna, Georgia they're saying that warmer water temperatures brought them in early. It may be that this is just an early and generous "jellyfish season" that has nothing to do with nukes or global warming. In the image below a workman is emptying a filter in a Mediterranean water cooling system for a coal burning plant, and getting a load of jellyfish.