What if zero plastic were to increase fruit and vegetable sales? That's the gamble taken by the New World supermarket in New Zealand. And the results are in. 
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.
Upcycle Studios shows it’s possible to build houses from waste without any concessions on quality or price.
San Pedro La Laguna, an exemplary village in Guatemala that banned the use of single-use plastics in 2016 to protect its environment. 
With their ever increasing populations cities must look to the circular economy to fight global warming.