Perspectives are different frameworks from which to explore the knowledge around sustainable sanitation and water management. Perspectives are like filters: they compile and structure the information that relate to a given focus theme, region or context. This allows you to quickly navigate to the content of your particular interest while promoting the holistic understanding of sustainable sanitation and water management.
In this critical interview Erik Nissen-Petersen explains different options for water harvesting and shows why sand dams are the most complicated structures to build.
THEWATERCHANNEL (2010): Join the Wave with Erik Nissen-Petersen: Are Sand Dams the Solution for Water Harvesting. THEWATERCHANNEL URL [Accessed: 20.04.2011] PDF