The biggest nuclear power plant in the world sits idle, as it has for nearly seven years. But that state is set to change, and not without public trepidation. The Guardian reports that Japan's nuclear watchdog this week gave Tokyo Electric Power (TEPCO) the green light to restart two of the seven reactors at Kashiwazaki-kariwa, which fell victim to the country's nuclear power moratorium in the wake of the March 2011 Fukushima disaster.