The final exam of the PhD in "Risk, environmental, territorial and building development" (XXXV cycle, coordinator Prof. Michele MOSSA) was held on 19 May 2023 with the commission composed of Profs. Gabriele Milani, Carla Isernia, Maria Olatz Irulegi, Mario Calabrese and Gabriella Caroti. The new PhDs are: Elhussein M. F. M. H. Ahmed, Marica Antonicelli, Silvia Brigida, Giacomo Caporusso, Francesco Carlucci, Virginia Rosa Coletta, Daniele Conelli, Simona de Sario, Aldo Fabio D'Oria and Stefano Marino