5 innovative water harvesting techniques for dry, off-grid areas

(Natural News) Clean water is a scarce resource in dry, off-grid environments. In these areas, conventional water sources such as snowfall, rainfall, river runoff and groundwater are rare if not completely absent. But innovative water sourcing methods could help address that scarcity. In an article for the Conversation, environmental scientists Manzoor Qadir and Vladimir Smakhtin, both from United…  » READ MORE