Anyone interested in reviving traditional water purification technologies that were in existence long ago? The technologies are time tested, cos...

Published on November 9, 2013 12:34 by PARAMA ANANDAN, FOUNDATION FOR RESEARCH AND SUSTAINABLE DEVELOPMENT (FRSD) - Chief Functionary

Anyone interested in reviving traditional water purification technologies that were in existence long ago? The technologies are time tested, cost effective, and reliable because the solutions are available in Nature.