Developed by William McDonough and Michael Braungart, the Hannover Principles were among the first to comprehensively address the fundamental ideas of sustainability and the built environment, recognizing our interdependence with nature and proposing a new relationship that includes our responsibilities to protect it. The Principles encourage all of us - you, your organization, your suppliers and customers - to link long term sustainable considerations with ethical responsibility, and to re-establish the integral relationship between natural processes and human activity. When you make decisions in your organization, remember these essential Principles: