natural fertilizers, Tag

Photo of green roof via Shutterstock The idea of someone sprinkling urine on building rooftops sounds like a major health hazard, but that's just what Amsterdam's water utility, Waternet, recently proposed...

Michael Jantzen’s Eco-Aquaponic House is a cylindrical steel structure that creates a self-sustaining environment for growing fish and plants - waste generated by the fish is used to fertilize the crops...