Is Fukushima wastewater release safe? What the science says – Nature

Prime Minister Suga inspecting TEPCO's Fukushima Daiichi Nuclear Power Station., 26 February 2020 (by CC BY 4.0 via Wikimedia).

Despite concerns from several nations and international groups, Japan is pressing ahead with plans to release water contaminated by the 2011 meltdown of the Fukushima Daiichi nuclear power plant into the Pacific Ocean. Starting sometime this year and continuing for the next 30 years, Japan will slowly release treated water stored in tanks at the site into the ocean through a pipeline extending one kilometre from the coast. But just how safe is the water to the marine environment and humans across the Pacific region?