Original Article World Water Day 2017: 5 Things to Know About Water Consumption World Water Day, held every March 22, is taking place around the world on Wednesday, aiming at attracting attention to the water crisis with this year's theme: "Waste Water." The day was originally launched in 1993 by the U.N. To coincide with the 2017 date, reports have been published warning of severe water scarcity in parts of Africa and Iran. As drought conditions are reported throughout East Africa, World Water Day feels more timely than ever. Here's five facts about water consumption around the world. 1. Over 80% of all waste water is not used again Yes, it sounds a little strange, but recycling water, according to the U.N., could partly help with shortages. The waste water instead goes back into ecosystems which it sometimes pollutes. With the correct treatment and technology, this "waste water" that flows away, could be recycled into "new" water.