How to Make a DIY Water Filtration System Using Sand or Gravel - Mother Earth News | The Original Guide To Living Wisely
Two Ways to Purify Water (U.S. National Park Service)
New economic model finds wetlands provide billions in filtration value | Waterloo News | University of Waterloo
Xylem Water Filter | MIT D-Lab
There's a Global Plan to Conserve Nature. Indigenous People Could Lead the Way. - The New York Times
Natural News Labs tests 12 popular water filters for removal of heavy metals, arsenic, uranium and cesium - NaturalNews.com
Natural Hazards - News | U.S. Geological Survey
Tunable membranes incorporating artificial water channels for high-performance brackish/low-salinity water reverse osmosis desalination | PNAS
Water filters tested for heavy metals removal: Zero Water, Pur, Brita, Mavea, Culligan, Seychelle and Waterman - NaturalNews.com
Engineering and characterization of gymnosperm sapwood toward enabling the design of water filtration devices | Nature Communications
Drinking water filters eyed as better option to testing in schools and day care centers - Spartan Newsroom
Big Berkey Water filter
Tap vs Brita: Are Water Filter Pitchers Actually Better?
Gravity water filter scientific test results released by Natural News: Big Berkey, ProPur, Zen Water Systems and more - NaturalNews.com
Statement on recent developments in natural gas and electricity markets - News - IEA
Natural News: ZeroWater filters are the best Jugs on the market removing 'Heavy Metals'!
Make a water filter
Protein nanofibrils for next generation sustainable water purification | Nature Communications
Berkey Water Filter - Global Water Purification Leader Since 1998
Dr Ben Lynch - Is your water filter doing it's job? Mike Adam is doing the research. He's testing many water filters and seeing which are best. He's got the evidence for
Using graphene foam to filter toxins from drinking water | MIT News | Massachusetts Institute of Technology
