Prof. Yasuda was officially assigned as Local Liaison Officer for United Nations Scientific Committee on the Effects of Atomic Radiation (UNSCEAR) by the secretary of UNSCEAR. He will help UNSCEAR to conduct their missions in Japan, for example, by arranging dialogues in Japan to introduce the contents of the UNSCEAR reports to the people affected by the Fukushima Daiichi nuclear accident. He has also contributed since 2014 to the UNSCEAR’s continuing work to assess the doses and effects of the Fukushima Daiichi accident as a member of the Japanese Working Group organized by UNSCEAR.