I notice you're asking for a report related to — but this doesn’t clearly match any known United Nations document, standard report title, or official Italian/UN publication I can verify.
The number is a digital artifact—a red herring. The poem you seek is “Un dì all’azzurro spazio” by Giosuè Carducci, found in Rime Nuove (Book III). un di all 39-azzurro spazio pdf