 The Ellen MacArthur Foundation works to accelerate the transition to a circular economy by working with businesses, academia and governments throughout the world to develop an economy that is restorative and regenerative by design and seeks to keep products, components and materials at their highest use and value at all times, distinguishing between biological and technical cycles.The Dictionary of Sustainable Management defines Cradle-to-Cradle as "A phrase invented by Walter R. Stahel in the 1970s and popularized by William McDonough and Michael Braungart in their 2002 book of the same name.This framework seeks to create production techniques that are not just efficient but are essentially waste free.