In March, on the occasion of World Water Day will start the initative “Green wire for a sustainable Jubilee"  with the first three regional events organized by Arpa Friuli Venezia Giulia, Arpa Liguria and Arpa Umbria (which will start as early as March 20th). This is a series of events which, involving the entire Italian territory at a regional level and, finally, at a national level, with  meetings, seminars, nature trails and city celebrations.