In the icy waters north of Russia, discarded submarine nuclear reactors lie deteriorating on the ocean floor—some still fully fueled. It’s only a matter of time before sustained corrosion allows seawater to eat its way to the abandoned uranium, causing an uncontrolled release of radioactivity into the Arctic.
For decades, the Soviet Union used the desolate Kara Sea as their dumping grounds for nuclear waste. Thousands of tons of nuclear material, equal to nearly six and a half times the radiation released at Hiroshima, went into the ocean. The underwater nuclear junkyard includes at least 14 unwanted reactors and an entire crippled submarine that the Soviets deemed proper decommissioning too dangerous and expensive. Today, this corner-cutting haunts the Russians. A rotting submarine reactor fed by an endless supply of ocean water might re-achieve criticality, belching out a boiling cloud of radioactivity that could infect local seafood populations, spoil bountiful fishing grounds, and contaminate a local oil-exploration frontier.
“Breach of protective barriers and the detection and spread of radionuclides in seawater could lead to fishing restrictions,” says Andrey Zolotkov, director of Bellona-Murmansk, an international non-profit environmental organization based in Norway. “In addition, this could seriously damage plans for the development of the Northern Sea Route—ship owners will refuse to sail along it.”
