What’s happening at Fukushima plant 12 years after meltdown?

Katsumasa Okawa, a seafood store owner from Fukushima prefecture's Iwaki, bakes shellfish during the Sakana and Japan Festival at a park in Tokyo on Feb. 22, 2023. Okawa said he expects a setback to his still recovering business but hopes it will be temporary and a safe progress would reassure people about Fukushima fish. (AP Photo/Mari Yamaguchi)

Noboru Ishizawa, a Tokyo Electric Power Company Holdings (TEPCO) official, speaks during an interview with The Associated Press at the Fukushima Daiichi nuclear power plant in Okuma town, northeastern Japan, on Feb. 22, 2023. TEPCO officials oversee the fish experiment compared with other flounders raised in a different tank with regular seawater. (AP Photo/Mari Yamaguchi)

OKUMA, Japan — Twelve years after the triple reactor meltdowns at the Fukushima Daiichi nuclear power plant, Japan is preparing to release a massive amount of treated radioactive wastewater into the sea.