In particular the monitoring of sites involves the following levels of analysis: > mapping of production sites in potential water scar city areas, in which the average value of renewable water resources per head is lower than the reference value set by the FAO( > identification of “critical” production sites, i.e. which use fresh water; > more efficient management through changes to plants or processes aimed at maximizing the supply from effluents and sea water; > monitoring of the climate and vegetation data for each site.