Researchers in Sweden have discovered a new way to filter water off-grid using wood fibers. The team from KTH Royal Institute of Technology hope that it can provide clean water to people in refugee camps and in remote areas. The researchers developed a new material using wood fibers and a positively-charged polymer that can bind bacteria to its surface, which removes the bacteria from the water, leaving it purified. The material could also be used
Wood fibers make for cheap, portable water filtration
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