The water comes from the Fukushima Daiichi nuclear power plant. Although most scientists agree it does not pose an immediate environmental threat, some are worried about the long-term consequences.
Local fishermen and the government of neighboring China are among the critics of Japan's decision to release water from the crippled Fukushima nuclear plant into the Pacific Ocean.
After a class of flame retardants called PBDEs was phased out due to links with developmental health issues, manufacturers started using another, similar group of compounds.
Japan's government says tomorrow it will begin releasing more than a million tons of wastewater into the Pacific Ocean from the damaged Fukushima nuclear plant.
Those displaced by the fires have found temporary quarters in hotels and with family and friends. One host opened their home to 87 evacuees, most of them from one extended family.
NPR's Ailsa Chang talks with Jeva Lange, who wrote a story called "Most Wildfires Aren't Forest Fires," about how wildfires largely occur in grasslands.
Prime Minister Fumio Kishida made the announcement after meeting with his cabinet. Water will be released through an underground tunnel beginning Thursday, weather conditions permitting, Kishida said.