The C40 mayors and officers are in Sao Paulo for exchanging ideas for a better wolrd. During the event, in Sheraton Hotel WTC, the guests and the mayors from over ten cities from all around the world are being welcome in an environment decorated with 100% eco materials.

The composition of the decoration was prepared with Juta biodegradable fabric, raw cotton and eco varnish. The wood elements are made in cedar, and prepared mixed wood. All the wood is certified by the Brazilian forest authorities, which guarantees that they come from legal areas and its production respects the environment.