Building with a Positive Footprint

Is the world better off with your building? In 99.9% of cases the answer is ‘No’. Almost every building pollutes the air, water, soil and damages biodiversity. What if we turned that around and focused on making a positive contribution? If buildings purify the air, water and soil, create biodiversity and generate more energy than […]

Katja Hansen – The Cradle to Cradle concept in detail

Katja Hansen is a pioneering contributor to the scientfic basis for the Cradle to Cradle design paradigm. She is Senior Researcher at The Academic Chair Cradle to Cradle for Innovation and Quality Rotterdam School of Management, Erasmus University. She is also a lead trainer and engineering expert working with EPEA Internationale Umweltforschung on implementing the […]

Biomass Nutrient Recycling

Article from Water, Environment & Technology, published August 1997, p.41-45 Biomass Nutrient Recycling An affordable closed-cycle process with added benefits Michael Braungart, Katja Hansen, and Douglas Mullhall