We are encountering a global sustainability crisis that has three dimensions: the climate crisis, the biodiversity crisis and the crisis caused by the overuse of natural resources. For tackling these crises, one of the most powerful solutions is the circular economy. The World Circular Economy Forum 2019 in Helsinki this June brought together over 2,000 experts to discuss these solutions. After the alarming IPCC report released last October the debate has been intense about who needs to lead the transition. Key participants will be businesses as solution providers; individuals as demanding customers; and cities as innovative platforms that can use public procurement as a strategic tool to help new circular economy innovations enter the markets. However, the biggest re...