Expanding Clean Water Access with BioSand Filters
World Maker Faire 2015
September 26th-27th
BioSand Filters use sand, gravel, and natural biological processes to filter out pathogens in drinking water. Come see how these simple, DIY devices are providing clean water to rural communities all over the world.
OHorizons
OHorizons is a non-profit coalition of technical, social, and commercial innovators. We solve persistent global challenges that limit communities’ ability to survive and thrive. We do this by deploying solutions that are low-tech, high-thinking.