In this episode of The Circularity Edge, Ken Alston discusses the principles of Circular Design and the need to design into safe technical and/or biological cycles. The need to design for multiple sustainability outcomes is reviewed along with examples of solar and wind turbines which are moving energy to non-renewable forms but are not currently designed for the circular economy.
The so-called "Butterfly diagram" from the Ellen MacArthur foundation is derived from the Technical and Biological cycles from the book "Cradle to Cradle - Remaking the Way We Make Things", by William McDonough & Michael Braungart, North Point Press, 2002.
Note: In reality the technical cycle is in the biological cycle as we are all on the Earth and are part of its biological cycle.