Earthworms: a natural solution to farms’ wastewater
Royal Dairy in Royal City, Washington has a problem that's common to dairy farms. The hundreds of millions of gallons of water used by their dairy and beef cows eventually become wastewater carrying animal waste, nitrates, and other harmful chemicals into the groundwater which people could one day Read More...
Oregon wastewater facility makes its own power with human waste
Two weeks ago, we wrote a piece on upcycling your “business,” going into the green uses some companies found for human waste. Innovation and recycling mean looking everywhere possible for solutions, and The Optimist Daily loves writing about the ones that are found… even if they come out of Read More...
There may be a better and more beautiful way to treat wastewater: Willow trees
The unpredictable and extreme weather patterns we are experiencing due to the climate crisis are making it increasingly difficult, especially for big urban areas, to stay on top of storm drainage and wastewater management. Heavy rainfall and flooding overwhelm stormwater management systems, Read More...
Purple bacteria can turn human waste into clean hydrogen energy
A significant downside to wastewater treatment plants is their carbon footprint. Now, researchers have found a way to reduce carbon emissions from sewage and produce hydrogen energy at the same Read More...