(Natural News) A new low-cost filter is set to address water purification for those living off the grid. The filter — which resembles a large sponge — soaks up water but leaves contaminants such as pathogens and chemicals behind. Placing the filter under the sun allows clean water to pass through, which can then be collected for […]

(Natural News) Most water harvesting systems collect precipitation such as rain or water droplets from fog and other low-lying clouds. But a new device developed by Chinese researchers can get it directly from the atmosphere, provided there is sunlight. The new water collection system features nano-composite foam made from graphene. It relies on sunlight to power […]