In this July 20, 2016 photo, a worker stands on the wall of earth covering radioactive waste at Tomioka, Fukushima Prefecture, northeastern Japan. Japan's nuclear policy-setting Atomic Energy Commission has issued a report calling for nuclear energy to remain a key component of the country's energy mix despite broad public support for a less nuclear-reliant society. (AP Photo/Shizuo Kambayashi), APTOPIX