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Fukushima nuclear plant water discharge: What to know

The Washington Post · last updated

Japan plans to release more than 1 million metric tons of treated radioactive water from the Fukushima Daiichi nuclear plant into the Pacific Ocean, a process set to begin this summer and continue for three decades or more. The pending release has become highly politicized by neighboring countries, including South Korea and China. Fukushima’s fishing and agricultural industries are also worried about potential reputational harm on their products, which still carry the stigma of radioactive exposure. The Japanese public is split on the plan, and many remain distrustful of the government and Tokyo Electric Power Co. (TEPCO), which has been criticized for playing down bad news about the severity of the disaster in the early days. The International Atomic Energy Agency, , the international nuclear watchdog, on July 4 released its final report giving a stamp of approval for Japan’s plans. Its director general, Rafael Grossi, is traveling to Fukushima, Seoul and Pacific island nations to announce the findings and address concerns. Here’s what to know about the upcoming discharge.

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State of Play

Nuclear energy provides almost 20 percent of the U.S. electricity supply. Advocates have called for an expanded role for nuclear as an emissions-free fuel source. But the economics of building new reactors are daunting. In addition, lingering safety concerns are an institutionalized part of the calculation of nuclear regulation, and highly radioactive nuclear waste remains a can that public officials have been inclined to kick down the road. The Energy Information Administration projects a sharp decline in nuclear power generation over the next decade, as new nuclear plants — two are planned — are more than offset by anticipated retirements of several operating reactors.

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