United Nations Scientific Committee on the Effects of Atomic RadiationEnergy dispersion through matter or space. In atomic physics...; scientific committee of the General Assembly of the United Nations on the effects of ionizing radiationAny radiation which directly or indirectly ionizes, e.g. alp.... UNSCEAR regularly prepares reports for the UN General Assembly on radiationEnergy dispersion through matter or space. In atomic physics... exposure and the effects of ionizing radiationAny radiation which directly or indirectly ionizes, e.g. alp.... The last two UNSCEAR Reports, published in 2016 and 2017, focus on Sources, effects and risks of ionizing radiation”.