Amsterdam takes its inspiration from the "doughnut" economic model which aims to combine both environmental and social justice.
In Poznań, Poland, the heat generated by the Volkswagen factory is used to heat the city. An excellent example of industrial ecology in cooperation with Veolia.
In 2017 Paris&Co, the city of Paris innovation agency, launched a new incubator for circular economy start-ups. 
The first 2C Conference of the year 2017 was on the theme of cities, a prime location for establishing a circular economy.