By Tal Hefer & Tzachi Zamir
New, Chemical-Free Way To Clean Water Developed In Israel
For most of us who grew up in developed countries, clean water is a given, not something we've ever given much thought. Yet in the United States alone, an estimate of 7 million tons of chemicals are being used in order to clean water every year. What effect do these chemicals have on us and on the environment?
May 21, 2011