"Water, as we all know, is a terrible thing to waste. But for businesses that go through a lot of water—dairy farmers, wineries and sewage plants—vast quantities of wastewater is an unfortunate byproduct. But since 1995, Chilean company BioFiltro has recycled more than 28 billion gallons of water to date with this humble organism: the worm."
The Role of the Worm in Recycling Wastewater
August 31, 2016