Environmental studies are playing an important role in the Expo Milan 2015. Proof of it is that GREFA has participated in a meeting about Biodiversity in the Mediterranean, on June29 in the pavilion of Italy. Invited by the Region of Sicily, organizer of the event, an important number of representatives of organisms and NGOs exchanged views in Milan, among them obviously the Lega Italiana Protezione Uccelli (LIPU) y Legambiente.