Celebrate with ISOIL Industria the World Water Day ! It is held on March 22 each year. It dates back to the 1992 United Nations Conference on Environment and Development where an international observance for water was recommended. It is a means of focusing attention on the importance of the sustainable management of freshwater resources. The theme of World Water Day in this year is “Wastewater”. Waste water is a valuable resource in the circular economy and its safe management is an efficient investment in the health of humans and ecosystems.