The PhD students Federico Spizzo e Andrea Zanolla have positively defended their programs in the PhD Course: Environemntal and Energy Engineering Science (Cycle XXXV, UNESCO CHAIR program) titled respectively:  "Analysis and vulnerability of water distribution systems from potential pollution phenomena control” Supervisors: Prof. Eng. Daniele Goi; Co-Supervisors: Eng. Matteo Nicolini and "Vulnerability and resilience of the sewage-WWTP system: perspectives of water recovery"; Supervisors: Prof. Eng. Daniele Goi; Co-Supervisors: Eng. Alessandro Moretti, Eng. Roberto Perin. Il Gruppo ringrazia la Commissione e tutti coloro che hanno partecipato all'evento presso il CISM. 1, 2, 3.