@benlockwood@ecoevo.social if we had the will, we could find a way This Green Concrete Is Made From Urine: German Scientists Recreate Sandstone Texture Using Waste in Eco-Tech Breakthrough https://www.sustainability-times.com/research/this-green-concrete-is-made-from-urine-german-scientists-recreate-sandstone-texture-using-waste-in-eco-tech-breakthrough/