I've spent the past five years piecing together the impacts that radioactive releases from Fukushima have had on the ocean, marine life, and the people who live on both sides of the Pacific. In the process ... I've become frustrated with both sides of the nuclear power debate, [and] grown concerned over the lack of oversight for radioactive contamination in U.S. waters. Five years later, the story from the Japanese side of the Pacific is this: Overall, things are under control. Fishing has resumed in all regions except those within 10 kilometers of the reactors. However ... the Japanese will be wrestling with the cleanup for decades and will spend trillions of yen in the process. More than 80 percent of the radioactivity from the damaged reactors ended up in the Pacific - far more than reached the ocean from Chernobyl or Three Mile Island. In 2015 we detected signs of radioactive contamination from Fukushima along the coast near British Columbia and California. It is incorrect to say that Fukushima is under control when levels of radioactivity in the ocean indicate ongoing leaks. Recently, I've begun to see a much more serious threat to U.S. waters. With our nearly 100 reactors ... you might expect a federal agency to be responsible for supporting research to improve our understanding of how radioactive contamination ... would affect our marine resources. Instead, the response we receive from an alphabet-soup of federal agencies is that such work "is ... ultimately "not our job."