People attend a rally against Japan's planned ocean discharge of nuke wastewater in front of the Japanese prime minister's official residence in Tokyo, Japan, Aug. 18, 2023. (Xinhua/Zhang Xiaoyu)

TOKYO, Aug. 22 (Xinhua) -- Japanese government announced Tuesday it has decided to start releasing nuclear-contaminated wastewater from the crippled Fukushima Daiichi Nuclear Power Plant into the ocean on Thursday.