"Environmental issues are best handled with the participation of all concerned citizens, at the relevant level [...]. States shall facilitate and encourage public awareness and participation by making information widely available [...]." (Principle 10 of the 1992 Rio Declaration on Environment and Development). The context of nuclear energy development serves as an acute and pressing example for the relevance of informational rights in the environmental context. Apparently, the establishment and adequate implementation of access rights promotes public participation and, thus,...